void SendMessage() { mWaiting.SetActive(true); PublishOptions publishOptions = new PublishOptions(); if (mForceNotify == true) { publishOptions.AddHeader(PublishOptions.ANDROID_TICKER_TEXT_TAG, mSendMessage); publishOptions.AddHeader(PublishOptions.ANDROID_CONTENT_TITLE_TAG, "Backendless example"); publishOptions.AddHeader(PublishOptions.ANDROID_CONTENT_TEXT_TAG, mSendMessage); } DeliveryOptions deliveryOptions = new DeliveryOptions(); deliveryOptions.PushBroadcast = DeliveryOptions.ALL; AsyncCallback <MessageStatus> callback = new AsyncCallback <MessageStatus>( status => { mIsSendMessageFinish = true; mIsSendMessageSuccess = true; }, fault => { mResultMessage = "Error\n\nCode = " + fault.FaultCode + "\nMessage = " + fault.Message; mIsSendMessageFinish = true; mIsSendMessageSuccess = false; }); Backendless.Messaging.Publish(mSendMessage, publishOptions, deliveryOptions, callback); }