adding new sendDirect Function to App

lib/sendDirect.ts

@@ -0,0 +1,26 @@
+import { IModify,IRead } from "@rocket.chat/apps-engine/definition/accessors";
+import { IRoom } from "@rocket.chat/apps-engine/definition/rooms";
+import { SlashCommandContext } from "@rocket.chat/apps-engine/definition/slashcommands";
+
+
+export async function sendDirect(
+    context: SlashCommandContext,
+    read: IRead,
+    modify: IModify,
+    message: string
+): Promise<void> {
+    const messageStructure = modify.getCreator().startMessage();
+    const sender = context.getSender(); // get the sender from context
+    // get the appUser username
+    const appUser = await read.getUserReader().getAppUser();
+    if (!appUser) {
+        throw new Error("Something went wrong getting App User!");
+    }
+    // lets use a function we created to get or create direct room
+    let room = (await this.getOrCreateDirectRoom(read, modify, [
+        sender.username,
+        appUser.username,
+    ])) as IRoom;
+    messageStructure.setRoom(room).setText(message); // set the text message
+    await modify.getCreator().finish(messageStructure); // sends the message in the room.
+}