Represents the Android-specific notification options that can be included in admin.messaging.AndroidConfig.
Body of the Android notification. When provided, overrides the body set via
An array of resource keys that will be used in place of the format
Key of the body string in the app's string resource to use to localize the body text.
The Android notification channel ID (new in Android O). The app must create a channel with this channel ID before any notification with this channel ID can be received. If you don't send this channel ID in the request, or if the channel ID provided has not yet been created by the app, FCM uses the channel ID specified in the app manifest.