diff --git a/README.md b/README.md
index fa9e761..1a9434a 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,11 @@ Output Type - `console` (default), `file` or `both`.
 `both` will output the coverage summary to the Action log and a file as above.
 
 
+### `prfiles`
+
+Only analyse added/changed files - string of filenames or false.
+
+
 ### `thresholds`
 
 Lower and upper threshold percentages for badge and health indicators, lower threshold can also be used to fail the action. Separate the values with a space and enclose them in quotes; default `'50 75'`.
diff --git a/action.yml b/action.yml
index bb3ee76..1f78023 100644
--- a/action.yml
+++ b/action.yml
@@ -1,6 +1,6 @@
-name: 'Code Coverage Summary'
-author: 'Irongut <murray.dave@outlook.com>'
-description: 'A GitHub Action that reads Cobertura format code coverage files and outputs a text or markdown summary.'
+name: 'Code Coverage Summary For Only Files In PR'
+author: 'Irongut <murray.dave@outlook.com> forked by ChkltLabs <chkltlabs@gmail.com>'
+description: 'Reads Cobertura format code coverage files and outputs a text or markdown summary, filterable to the current PR'
 branding:
   icon: book-open
   color: purple
@@ -36,6 +36,10 @@ inputs:
     description: 'Output Type - console (default), file or both.'
     required: false
     default: 'console'
+  prfiles:
+    description: 'Only analyse added/changed files - string or false.'
+    required: false
+    default: 'false'
   thresholds:
     description: 'Threshold percentages for badge and health indicators, lower threshold can also be used to fail the action.'
     required: false
diff --git a/src/CodeCoverageSummary/CommandLineOptions.cs b/src/CodeCoverageSummary/CommandLineOptions.cs
index f525a9f..ca1be01 100644
--- a/src/CodeCoverageSummary/CommandLineOptions.cs
+++ b/src/CodeCoverageSummary/CommandLineOptions.cs
@@ -31,6 +31,11 @@ public class CommandLineOptions
         public string HideComplexityString { get; set; }
 
         public bool HideComplexity => HideComplexityString.Equals("true", StringComparison.OrdinalIgnoreCase);
+        
+        [Option(longName: "prfiles", Required = false, HelpText = "Only analyse added/changed files - string or false.", Default = "false")]
+        public string PRFilesOnlyString { get; set; }
+        
+        public bool PRFilesOnly => !PRFilesOnlyString.Equals("false", StringComparison.OrdinalIgnoreCase);
 
         [Option(longName: "indicators", Required = false, HelpText = "Include health indicators in the output - true or false.", Default = "true")]
         public string IndicatorsString { get; set; }
diff --git a/src/CodeCoverageSummary/Program.cs b/src/CodeCoverageSummary/Program.cs
index f0cc63f..dcfe403 100644
--- a/src/CodeCoverageSummary/Program.cs
+++ b/src/CodeCoverageSummary/Program.cs
@@ -41,6 +41,13 @@ private static int Main(string[] args)
                                                  return -2; // error
                                              }
                                          }
+                                         
+                                         //if limiting to PR files, get list now
+                                         if (o.PRFilesOnly)
+                                         {
+                                             Console.WriteLine(o.PRFilesOnlyString);
+                                             return -2;
+                                         }
 
                                          // parse code coverage file
                                          CodeSummary summary = new();