Push notification not receiving in background iOS

Question

I am doing push notification in my project through GCM. My Application is able to receive notification in foreground but not in background.

I receive a message insi

Answer 1

Create notification in this pattern

{
    "to": "ID",
    "notification": {
        "sound": "default",
        "title": "TITLE",
        "body": "BODY"
    },
    "priority": "high"
}