diff --git a/angular-sample/src/index.html b/angular-sample/src/index.html
index 15676d1e..dc36ae3b 100644
--- a/angular-sample/src/index.html
+++ b/angular-sample/src/index.html
@@ -9,11 +9,12 @@
   <script type="text/javascript">
     var moeDataCenter = "{DC}"; // Replace "{DC}" with the actual Data center value from the above table 
     var moeAppID = "{AppID}"; // Replace "{AppID}" available in the settings page of MoEngage Dashboard. 
+    var sdkVersion = "2"; // Replace this value with the version of Web SDK that you intend to use. It is recommended to use the format x (major)
 
-    !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||"{DC}"===moeDataCenter)return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.invoked=0,s.initialised>0||s.invoked>0)return console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute"],m={onsite:["getData","registerCallback"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),e[a].initialised=e[a].initialised+1||1,!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/moe_webSdk.min.latest.js","Moengage");
+    !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||!moeDataCenter.match(/^dc_[0-9]+$/gm))return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.initialized||s.initialised>0)return console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1;s.invoked=0;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute","setLogLevel","setDebugLevel","handle_page_change","identifyUser","getUserIdentities","trackEvent","trackPageView","track_page_view","setUserAttribute","setFirstName","setLastName","setEmailId","setMobileNumber","setUserName","setGender","setBirthDate","logoutUser","callWebPush","handlePageChange","enableSdk","disableSdk","enableDataTracking","disableDataTracking"],m={onsite:["getData","registerCallback","getSelfHandledOSM"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),(e[a]&&(e[a].initialised=e[a].initialised+1||1)),!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/versions/"+sdkVersion+"/moe_webSdk.min.latest.js","Moengage");
     
     Moengage = moe({ 
-      app_id: moeAppID, 
+      appId: moeAppID, 
       debug_logs: 0
     });
 
diff --git a/chrome-extension/popup.js b/chrome-extension/popup.js
index a6c0b59f..e820e772 100644
--- a/chrome-extension/popup.js
+++ b/chrome-extension/popup.js
@@ -1,5 +1,5 @@
 console.log('This is a popup!');
 window.Moengage = moe({
-  app_id: 'XXXXXXXXXXXXXXXX',
+  appId: 'XXXXXXXXXXXXXXXX',
   debug_logs: 0
 });
\ No newline at end of file
diff --git a/custom-serviceworker.html b/custom-serviceworker.html
index de2d9557..a6e9e23a 100644
--- a/custom-serviceworker.html
+++ b/custom-serviceworker.html
@@ -6,11 +6,12 @@
     <script type="text/javascript">
       var moeDataCenter = "{DC}"; // Replace "{DC}" with the actual Data center value from the above table 
       var moeAppID = "{AppID}"; // Replace "{AppID}" available in the settings page of MoEngage Dashboard. 
+      var sdkVersion = "2"; // Replace this value with the version of Web SDK that you intend to use. It is recommended to use the format x (major)
 
-      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||"{DC}"===moeDataCenter)return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.invoked=0,s.initialised>0||s.invoked>0)return console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute"],m={onsite:["getData","registerCallback"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),e[a].initialised=e[a].initialised+1||1,!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/moe_webSdk.min.latest.js","Moengage");
+      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||!moeDataCenter.match(/^dc_[0-9]+$/gm))return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.initialized||s.initialised>0)return console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1;s.invoked=0;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute","setLogLevel","setDebugLevel","handle_page_change","identifyUser","getUserIdentities","trackEvent","trackPageView","track_page_view","setUserAttribute","setFirstName","setLastName","setEmailId","setMobileNumber","setUserName","setGender","setBirthDate","logoutUser","callWebPush","handlePageChange","enableSdk","disableSdk","enableDataTracking","disableDataTracking"],m={onsite:["getData","registerCallback","getSelfHandledOSM"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),(e[a]&&(e[a].initialised=e[a].initialised+1||1)),!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/versions/"+sdkVersion+"/moe_webSdk.min.latest.js","Moengage");
       
       Moengage = moe({ 
-        app_id: moeAppID, 
+        appId: moeAppID, 
         debug_logs: 0,
         swPath: "/serviceworker/serviceworker.js",
       });
diff --git a/debug.html b/debug.html
index ad151040..36589c63 100644
--- a/debug.html
+++ b/debug.html
@@ -7,11 +7,12 @@
     <script type="text/javascript">
       var moeDataCenter = "{DC}"; // Replace "{DC}" with the actual Data center value from the above table 
       var moeAppID = "{AppID}"; // Replace "{AppID}" available in the settings page of MoEngage Dashboard. 
+      var sdkVersion = "2"; // Replace this value with the version of Web SDK that you intend to use. It is recommended to use the format x (major)
 
-      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||"{DC}"===moeDataCenter)return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.invoked=0,s.initialised>0||s.invoked>0)return console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute"],m={onsite:["getData","registerCallback"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),e[a].initialised=e[a].initialised+1||1,!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/moe_webSdk.min.latest.js","Moengage");
+      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||!moeDataCenter.match(/^dc_[0-9]+$/gm))return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.initialized||s.initialised>0)return console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1;s.invoked=0;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute","setLogLevel","setDebugLevel","handle_page_change","identifyUser","getUserIdentities","trackEvent","trackPageView","track_page_view","setUserAttribute","setFirstName","setLastName","setEmailId","setMobileNumber","setUserName","setGender","setBirthDate","logoutUser","callWebPush","handlePageChange","enableSdk","disableSdk","enableDataTracking","disableDataTracking"],m={onsite:["getData","registerCallback","getSelfHandledOSM"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),(e[a]&&(e[a].initialised=e[a].initialised+1||1)),!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/versions/"+sdkVersion+"/moe_webSdk.min.latest.js","Moengage");
       
       Moengage = moe({ 
-        app_id: moeAppID, 
+        appId: moeAppID, 
         debug_logs: 1
       });
 
diff --git a/eu-cluster.html b/eu-cluster.html
index 13425d0b..fa84bd23 100644
--- a/eu-cluster.html
+++ b/eu-cluster.html
@@ -5,10 +5,13 @@
 
     <title>Sample Web SDK Integration</title>
     <script type="text/javascript">
-      !function(e,n,i,t,a,r,o,d){var s=e[a]=e[a]||[];if(s.invoked=0,s.initialised>0||s.invoked>0)return console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","moe_events","call_web_push","track","location_type_attribute"],m={onsite:["getData","registerCallback"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),e[a].initialised=e[a].initialised+1||1,!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/webpush/moe_webSdk.min.latest.js","Moengage");
+      var moeDataCenter = "{DC}"; // Replace "{DC}" with the actual Data center value from the above table
+      var moeAppID = "{WorkspaceID}"; // Replace "WorkspaceID" available in the settings page of MoEngage Dashboard.
+      var sdkVersion = "2"; // Replace this value with the version of Web SDK that you intend to use. It is recommended to use the format x (major)
+      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||!moeDataCenter.match(/^dc_[0-9]+$/gm))return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.initialized||s.initialised>0)return console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1;s.invoked=0;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute","setLogLevel","setDebugLevel","handle_page_change","identifyUser","getUserIdentities","trackEvent","trackPageView","track_page_view","setUserAttribute","setFirstName","setLastName","setEmailId","setMobileNumber","setUserName","setGender","setBirthDate","logoutUser","callWebPush","handlePageChange","enableSdk","disableSdk","enableDataTracking","disableDataTracking"],m={onsite:["getData","registerCallback","getSelfHandledOSM"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),(e[a]&&(e[a].initialised=e[a].initialised+1||1)),!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/versions/"+sdkVersion+"/moe_webSdk.min.latest.js","Moengage");
 
       Moengage = moe({
-        app_id: "XXXXXXXXXXXXXXXXXXXXXXXX", // here goes your App Id
+        appId: "XXXXXXXXXXXXXXXXXXXXXXXX", // here goes your App Id
         debug_logs: 0,
         cluster: "eu",
       });
diff --git a/index.html b/index.html
index be621b9e..bf4dc7b3 100644
--- a/index.html
+++ b/index.html
@@ -7,11 +7,12 @@
     <script type="text/javascript">
       var moeDataCenter = "{DC}"; // Replace "{DC}" with the actual Data center value from the above table 
       var moeAppID = "{AppID}"; // Replace "{AppID}" available in the settings page of MoEngage Dashboard. 
+      var sdkVersion = "2"; // Replace this value with the version of Web SDK that you intend to use. It is recommended to use the format x (major)
 
-      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||"{DC}"===moeDataCenter)return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.invoked=0,s.initialised>0||s.invoked>0)return console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute"],m={onsite:["getData","registerCallback"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),e[a].initialised=e[a].initialised+1||1,!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/moe_webSdk.min.latest.js","Moengage");
+      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||!moeDataCenter.match(/^dc_[0-9]+$/gm))return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.initialized||s.initialised>0)return console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1;s.invoked=0;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute","setLogLevel","setDebugLevel","handle_page_change","identifyUser","getUserIdentities","trackEvent","trackPageView","track_page_view","setUserAttribute","setFirstName","setLastName","setEmailId","setMobileNumber","setUserName","setGender","setBirthDate","logoutUser","callWebPush","handlePageChange","enableSdk","disableSdk","enableDataTracking","disableDataTracking"],m={onsite:["getData","registerCallback","getSelfHandledOSM"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),(e[a]&&(e[a].initialised=e[a].initialised+1||1)),!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/versions/"+sdkVersion+"/moe_webSdk.min.latest.js","Moengage");
       
       Moengage = moe({ 
-        app_id: moeAppID, 
+        appId: moeAppID, 
         debug_logs: 0 
       });
 
diff --git a/lg-web-os/index.html b/lg-web-os/index.html
index 3d306da0..ad5b7702 100644
--- a/lg-web-os/index.html
+++ b/lg-web-os/index.html
@@ -578,11 +578,12 @@ <h2>Show Notification</h2>
     <script type="text/javascript">
       var moeDataCenter = "{DC}"; // Replace "{DC}" with the actual Data center value from the above table 
       var moeAppID = "{AppID}"; // Replace "{AppID}" available in the settings page of MoEngage Dashboard. 
+      var sdkVersion = "2"; // Replace this value with the version of Web SDK that you intend to use. It is recommended to use the format x (major)
 
-      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||"{DC}"===moeDataCenter)return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.invoked=0,s.initialised>0||s.invoked>0)return console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute"],m={onsite:["getData","registerCallback"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),e[a].initialised=e[a].initialised+1||1,!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/moe_webSdk.min.latest.js","Moengage");
+      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||!moeDataCenter.match(/^dc_[0-9]+$/gm))return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.initialized||s.initialised>0)return console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1;s.invoked=0;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute","setLogLevel","setDebugLevel","handle_page_change","identifyUser","getUserIdentities","trackEvent","trackPageView","track_page_view","setUserAttribute","setFirstName","setLastName","setEmailId","setMobileNumber","setUserName","setGender","setBirthDate","logoutUser","callWebPush","handlePageChange","enableSdk","disableSdk","enableDataTracking","disableDataTracking"],m={onsite:["getData","registerCallback","getSelfHandledOSM"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),(e[a]&&(e[a].initialised=e[a].initialised+1||1)),!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/versions/"+sdkVersion+"/moe_webSdk.min.latest.js","Moengage");
       
       Moengage = moe({ 
-        app_id: moeAppID, 
+        appId: moeAppID, 
         debug_logs: 0,
         cards: {
           enable:true,
diff --git a/nextjs/pages/_document.js b/nextjs/pages/_document.js
index c1d13612..e3216710 100644
--- a/nextjs/pages/_document.js
+++ b/nextjs/pages/_document.js
@@ -6,17 +6,18 @@ class MyDocument extends Document {
     return { ...initialProps }
   }
   render() {
-    var moeDataCenter = "dc_1"; // Replace "{DC}" with the actual Data center value from the above table 
-    var moeAppID = "3RADPYNEBZ2MCOJ43EEW5FWV"; // Replace "{AppID}" available in the settings page of MoEngage Dashboard. 
+    var moeDataCenter = "dc_1"; // Replace "{DC}" with the actual Data center value from the above table
+    var moeAppID = "3RADPYNEBZ2MCOJ43EEW5FWV"; // Replace "{AppID}" available in the settings page of MoEngage Dashboard.
+    var sdkVersion = "2"; // Replace this value with the version of Web SDK that you intend to use. It is recommended to use the format x (major)
     return (
       <Html>
         <Head >
-        <script dangerouslySetInnerHTML={{__html:`!function(e,n,i,t,a,r,o,d){if(!"${moeDataCenter}"||"{DC}"==="${moeDataCenter}")return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.invoked=0,s.initialised>0||s.invoked>0)return console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute"],m={onsite:["getData","registerCallback"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),e[a].initialised=e[a].initialised+1||1,!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/${moeDataCenter}/moe_webSdk.min.latest.js","Moengage");`}}>
+        <script dangerouslySetInnerHTML={{__html:`var moeDataCenter = "${moeDataCenter}"; var moeAppID = "${moeAppID}"; var sdkVersion = "${sdkVersion}"; !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||!moeDataCenter.match(/^dc_[0-9]+$/gm))return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.initialized||s.initialised>0)return console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1;s.invoked=0;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute","setLogLevel","setDebugLevel","handle_page_change","identifyUser","getUserIdentities","trackEvent","trackPageView","track_page_view","setUserAttribute","setFirstName","setLastName","setEmailId","setMobileNumber","setUserName","setGender","setBirthDate","logoutUser","callWebPush","handlePageChange","enableSdk","disableSdk","enableDataTracking","disableDataTracking"],m={onsite:["getData","registerCallback","getSelfHandledOSM"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),(e[a]&&(e[a].initialised=e[a].initialised+1||1)),!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/versions/"+sdkVersion+"/moe_webSdk.min.latest.js","Moengage");`}}>
         </script>
 
         <script dangerouslySetInnerHTML={{__html:`
           Moengage = moe({
-            app_id:"${moeAppID}",
+            appId:"${moeAppID}",
             debug_logs: 0
           });`}}>
         </script>
diff --git a/nuxt-spa/plugins/moe.js b/nuxt-spa/plugins/moe.js
index c29429a1..3ca309e6 100644
--- a/nuxt-spa/plugins/moe.js
+++ b/nuxt-spa/plugins/moe.js
@@ -2,11 +2,12 @@
 export default ({ app }) => {
   var moeDataCenter = "{DC}"; // Replace "{DC}" with the actual Data center value from the above table 
   var moeAppID = "{AppID}"; // Replace "{AppID}" available in the settings page of MoEngage Dashboard. 
+  var sdkVersion = "2"; // Replace this value with the version of Web SDK that you intend to use. It is recommended to use the format x (major)
 
-  !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||"{DC}"===moeDataCenter)return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.invoked=0,s.initialised>0||s.invoked>0)return console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute"],m={onsite:["getData","registerCallback"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),e[a].initialised=e[a].initialised+1||1,!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/moe_webSdk.min.latest.js","Moengage");
+  !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||!moeDataCenter.match(/^dc_[0-9]+$/gm))return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.initialized||s.initialised>0)return console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1;s.invoked=0;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute","setLogLevel","setDebugLevel","handle_page_change","identifyUser","getUserIdentities","trackEvent","trackPageView","track_page_view","setUserAttribute","setFirstName","setLastName","setEmailId","setMobileNumber","setUserName","setGender","setBirthDate","logoutUser","callWebPush","handlePageChange","enableSdk","disableSdk","enableDataTracking","disableDataTracking"],m={onsite:["getData","registerCallback","getSelfHandledOSM"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),(e[a]&&(e[a].initialised=e[a].initialised+1||1)),!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/versions/"+sdkVersion+"/moe_webSdk.min.latest.js","Moengage");
   
   window.Moengage = moe({ 
-    app_id: moeAppID, 
+    appId: moeAppID, 
     debug_logs: 0
   });
 };
diff --git a/react-sample/public/index.html b/react-sample/public/index.html
index 4c0e0b82..fc63df27 100644
--- a/react-sample/public/index.html
+++ b/react-sample/public/index.html
@@ -17,11 +17,12 @@
     <script type="text/javascript">
       var moeDataCenter = "{DC}"; // Replace "{DC}" with the actual Data center value from the above table 
       var moeAppID = "{AppID}"; // Replace "{AppID}" available in the settings page of MoEngage Dashboard. 
+      var sdkVersion = "2"; // Replace this value with the version of Web SDK that you intend to use. It is recommended to use the format x (major)
 
-      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||"{DC}"===moeDataCenter)return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.invoked=0,s.initialised>0||s.invoked>0)return console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute"],m={onsite:["getData","registerCallback"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),e[a].initialised=e[a].initialised+1||1,!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/moe_webSdk.min.latest.js","Moengage");
+      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||!moeDataCenter.match(/^dc_[0-9]+$/gm))return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.initialized||s.initialised>0)return console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1;s.invoked=0;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute","setLogLevel","setDebugLevel","handle_page_change","identifyUser","getUserIdentities","trackEvent","trackPageView","track_page_view","setUserAttribute","setFirstName","setLastName","setEmailId","setMobileNumber","setUserName","setGender","setBirthDate","logoutUser","callWebPush","handlePageChange","enableSdk","disableSdk","enableDataTracking","disableDataTracking"],m={onsite:["getData","registerCallback","getSelfHandledOSM"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),(e[a]&&(e[a].initialised=e[a].initialised+1||1)),!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/versions/"+sdkVersion+"/moe_webSdk.min.latest.js","Moengage");
       
       Moengage = moe({ 
-        app_id: moeAppID, 
+        appId: moeAppID, 
         debug_logs: 0
       });
   
diff --git a/samsung-tizen-os/samsungTizenOs/index.html b/samsung-tizen-os/samsungTizenOs/index.html
index e0c6bd44..4d5f5137 100644
--- a/samsung-tizen-os/samsungTizenOs/index.html
+++ b/samsung-tizen-os/samsungTizenOs/index.html
@@ -545,11 +545,12 @@ <h2>Show Notification</h2>
     <script type="text/javascript">
       var moeDataCenter = "{DC}"; // Replace "{DC}" with the actual Data center value from the above table 
       var moeAppID = "{AppID}"; // Replace "{AppID}" available in the settings page of MoEngage Dashboard. 
+      var sdkVersion = "2"; // Replace this value with the version of Web SDK that you intend to use. It is recommended to use the format x (major)
 
-      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||"{DC}"===moeDataCenter)return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.invoked=0,s.initialised>0||s.invoked>0)return console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute"],m={onsite:["getData","registerCallback"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),e[a].initialised=e[a].initialised+1||1,!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/moe_webSdk.min.latest.js","Moengage");
+      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||!moeDataCenter.match(/^dc_[0-9]+$/gm))return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.initialized||s.initialised>0)return console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1;s.invoked=0;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute","setLogLevel","setDebugLevel","handle_page_change","identifyUser","getUserIdentities","trackEvent","trackPageView","track_page_view","setUserAttribute","setFirstName","setLastName","setEmailId","setMobileNumber","setUserName","setGender","setBirthDate","logoutUser","callWebPush","handlePageChange","enableSdk","disableSdk","enableDataTracking","disableDataTracking"],m={onsite:["getData","registerCallback","getSelfHandledOSM"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),(e[a]&&(e[a].initialised=e[a].initialised+1||1)),!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/versions/"+sdkVersion+"/moe_webSdk.min.latest.js","Moengage");
       
       Moengage = moe({ 
-        app_id: moeAppID, 
+        appId: moeAppID, 
         debug_logs: 0,
         cards: {
           enable:true,
diff --git a/self-handled-push.html b/self-handled-push.html
index 0a5a8c02..afb38f4e 100644
--- a/self-handled-push.html
+++ b/self-handled-push.html
@@ -6,11 +6,12 @@
     <script type="text/javascript">
       var moeDataCenter = "{DC}"; // Replace "{DC}" with the actual Data center value from the above table 
       var moeAppID = "{AppID}"; // Replace "{AppID}" available in the settings page of MoEngage Dashboard. 
+      var sdkVersion = "2"; // Replace this value with the version of Web SDK that you intend to use. It is recommended to use the format x (major)
 
-      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||"{DC}"===moeDataCenter)return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.invoked=0,s.initialised>0||s.invoked>0)return console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute"],m={onsite:["getData","registerCallback"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),e[a].initialised=e[a].initialised+1||1,!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/moe_webSdk.min.latest.js","Moengage");
+      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||!moeDataCenter.match(/^dc_[0-9]+$/gm))return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.initialized||s.initialised>0)return console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1;s.invoked=0;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute","setLogLevel","setDebugLevel","handle_page_change","identifyUser","getUserIdentities","trackEvent","trackPageView","track_page_view","setUserAttribute","setFirstName","setLastName","setEmailId","setMobileNumber","setUserName","setGender","setBirthDate","logoutUser","callWebPush","handlePageChange","enableSdk","disableSdk","enableDataTracking","disableDataTracking"],m={onsite:["getData","registerCallback","getSelfHandledOSM"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),(e[a]&&(e[a].initialised=e[a].initialised+1||1)),!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/versions/"+sdkVersion+"/moe_webSdk.min.latest.js","Moengage");
       
       Moengage = moe({ 
-        app_id: moeAppID, 
+        appId: moeAppID, 
         debug_logs: 0 
       });
 
diff --git a/web-personalization.html b/web-personalization.html
index 7600d11b..c2976ba6 100644
--- a/web-personalization.html
+++ b/web-personalization.html
@@ -7,11 +7,12 @@
     <script type="text/javascript">
       var moeDataCenter = "{DC}"; // Replace "{DC}" with the actual Data center value from the above table 
       var moeAppID = "{AppID}"; // Replace "{AppID}" available in the settings page of MoEngage Dashboard. 
+      var sdkVersion = "2"; // Replace this value with the version of Web SDK that you intend to use. It is recommended to use the format x (major)
 
-      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||"{DC}"===moeDataCenter)return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.invoked=0,s.initialised>0||s.invoked>0)return console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute"],m={onsite:["getData","registerCallback"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialised multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),e[a].initialised=e[a].initialised+1||1,!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/moe_webSdk.min.latest.js","Moengage");
+      !function(e,n,i,t,a,r,o,d){if(!moeDataCenter||!moeDataCenter.match(/^dc_[0-9]+$/gm))return console.error("Data center has not been passed correctly. Please follow the SDK installation instruction carefully.");var s=e[a]=e[a]||[];if(s.initialized||s.initialised>0)return console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1;s.invoked=0;e.moengage_object=a;var l={},g=function n(i){return function(){for(var n=arguments.length,t=Array(n),a=0;a<n;a++)t[a]=arguments[a];(e.moengage_q=e.moengage_q||[]).push({f:i,a:t})}},u=["track_event","add_user_attribute","add_first_name","add_last_name","add_email","add_mobile","add_user_name","add_gender","add_birthday","destroy_session","add_unique_user_id","update_unique_user_id","moe_events","call_web_push","track","location_type_attribute","setLogLevel","setDebugLevel","handle_page_change","identifyUser","getUserIdentities","trackEvent","trackPageView","track_page_view","setUserAttribute","setFirstName","setLastName","setEmailId","setMobileNumber","setUserName","setGender","setBirthDate","logoutUser","callWebPush","handlePageChange","enableSdk","disableSdk","enableDataTracking","disableDataTracking"],m={onsite:["getData","registerCallback","getSelfHandledOSM"]};for(var c in u)l[u[c]]=g(u[c]);for(var v in m)for(var f in m[v])null==l[v]&&(l[v]={}),l[v][m[v][f]]=g(v+"."+m[v][f]);r=n.createElement(i),o=n.getElementsByTagName("head")[0],r.async=1,r.src=t,o.appendChild(r),e.moe=e.moe||function(){return(s.invoked=s.invoked+1,s.invoked>1)?(console.error("MoEngage Web SDK initialized multiple times. Please integrate the Web SDK only once!"),!1):(d=arguments.length<=0?void 0:arguments[0],l)},r.addEventListener("load",function(){if(d)return e[a]=e.moe(d),(e[a]&&(e[a].initialised=e[a].initialised+1||1)),!0}),r.addEventListener("error",function(){return console.error("Moengage Web SDK loading failed."),!1})}(window,document,"script","https://cdn.moengage.com/release/"+moeDataCenter+"/versions/"+sdkVersion+"/moe_webSdk.min.latest.js","Moengage");
       
       Moengage = moe({ 
-        app_id: moeAppID, 
+        appId: moeAppID, 
         debug_logs: 0,
       });