[core] Document revoked webhook in swagger

src/core/session.webjs.core.ts

@@ -46,6 +46,7 @@ import {
 } from './exceptions';
 import { QR } from './QR';
 import { MeInfo } from '../structures/sessions.dto';
+import { WAMessageRevokedBody } from '../structures/webhooks.dto';
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const QRCode = require('qrcode');
@@ -457,7 +458,11 @@ export class WhatsappSessionWebJSCore extends WhatsappSession {
             const beforeMessage = before
               ? await this.toWAMessage(before)
               : null;
-            handler({ after: afterMessage, before: beforeMessage });
+            const body: WAMessageRevokedBody = {
+              after: afterMessage,
+              before: beforeMessage,
+            };
+            handler(body);
           },
         );
         break;

src/structures/webhooks.dto.ts

@@ -76,6 +76,10 @@ export class PollVotePayload {
   vote: PollVote;
   poll: MessageDestination;
 }
+export class WAMessageRevokedBody {
+  after: WAMessage | null;
+  before: WAMessage | null;
+}
 
 export class WAHAWebhook {
   @ApiProperty({
@@ -124,6 +128,16 @@ class WAHAWebhookMessageAck extends WAHAWebhook {
   payload: WAMessageAckBody;
 }
 
+class WAHAWebhookMessageRevoked extends WAHAWebhook {
+  @ApiProperty({
+    description:
+      'The event is triggered when a user, whether it be you or any other participant, ' +
+      'revokes a previously sent message.',
+  })
+  event = WAHAEvents.MESSAGE_REVOKED;
+  payload: WAMessageRevokedBody;
+}
+
 class WAHAWebhookStateChange extends WAHAWebhook {
   @ApiProperty({
     description: 'It’s an internal engine’s state, not session status.',
@@ -178,6 +192,7 @@ const WAHA_WEBHOOKS = [
   WAHAWebhookMessage,
   WAHAWebhookMessageAny,
   WAHAWebhookMessageAck,
+  WAHAWebhookMessageRevoked,
   WAHAWebhookStateChange,
   WAHAWebhookGroupJoin,
   WAHAWebhookGroupLeave,