I want to show list of data in the push notification. how can I do it?
Could you please describe what exact you were trying to do? Were you trying it in https://develop.backendless.com/YOUR_PROJECT_NAME/messaging/notifications/compose or by reproducing steps from https://backendless.com/docs/js/push_overview.html ?
i would like to send array of data by push notification another application
You need to implement guides from https://backendless.com/docs/android/push_overview.html in this second application’s side and send your array of data from Backendless console push notifications panel to connected by this app devices.