Session.signal() completion handler parameter

openvidu-browser/ts/OpenVidu/Session.ts

@@ -173,7 +173,7 @@ export class Session {
         signalMessage['data'] = signal.data ? signal.data : '';
         signalMessage['type'] = signal.type ? signal.type : '';
 
-        this.openVidu.openVidu.sendMessage(JSON.stringify(signalMessage));
+        this.openVidu.openVidu.sendMessage(JSON.stringify(signalMessage), completionHandler);
     }
 
 }

openvidu-browser/ts/OpenViduInternal/OpenViduInternal.ts

@@ -351,13 +351,12 @@ export class OpenViduInternal {
         }
     }
 
-    //CHAT
-    sendMessage(message) {
+    sendMessage(message: any, completionHandler?: Function) {
         this.sendRequest('sendMessage', {
             message: message
-        }, function (error, response) {
-            if (error) {
-                console.error(error);
+        }, (error, response) => {
+            if (!!completionHandler) {
+                completionHandler(!!error ? new Error(error) : null);
             }
         });
     };

openvidu-testapp/src/app/components/openvidu-instance/openvidu-instance.component.ts

@@ -428,7 +428,14 @@ export class OpenviduInstanceComponent implements OnInit, OnChanges, OnDestroy {
       data: 'Test message',
       to: [],
       type: 'chat'
-    });
+    },
+      error => {
+        if (error) {
+          console.error(error);
+        } else {
+          console.log('Message succesfully sent');
+        }
+      });
   }
 
   recordPublisher(): void {