1-Navigate to the Dashboard page of your Apps on PushBots select the App that you want to send custom data to.

2-At the field Custom Payload press the + button a dialog that contains fields of key and value will show up.

3-At the field key type "data" or any field name you want to set then in the field value type the data you want to pass to your App.

4-Inside custom receiver class you assigned to listen for notifications onReceive() method you can get the data by checking for this key:

   if (action.equals(PBConstants.EVENT_MSG_OPEN)) {
           Bundle extras = intent.getBundleExtra("pushData");

Need more details check our sample app Custom fields example

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