improve

src/app/services/chat/ws-chat.service.ts

@@ -158,14 +158,16 @@ export class WsChatService {
   }
 
   // send message to room
-  send({roomId, msg, attachments = null, file = null, requestId =  uuidv4()}) {
+  send({roomId, msg, attachments = null, file = null, localReference = null}) {
 
+    const requestId = uuidv4()
     var message = {
       msg: "method",
       method: "sendMessage",
       id: requestId,
       params: [{
         rid: roomId,
+        localReference: localReference,
         msg: msg,
         attachments,
         file