Notifications with the same group id will be stacked together (different from collapse as collapse shows the last notification and group shows them grouped).
A message displayed if at least 2 notifications are grouped together. Default is "$[notif_count] new messages". Parameter $[notif_count] will be replaced with total grouped notifications. Example: "You have $[notif_count] new messages".
The Android Oreo Notification Category to send the notification under.
The package name of the application where the registration token must match in order to receive the message.
A filename of sound played when a notification arrives. Specify "default" to play default sound.
Visibility of the notification.
Private (Default) - hides message content on the clock screen if the user has set to hide sensitive notification content in system settings.
Public - Shows full notification on the lock screen.
Secret - Doesn't reveal any message content on the lock screen.
Default vibration settings
If true, uses default Android's vibrate pattern.
String separated by comma (,) of vibration times in seconds. First value - time to wait, second - time to vibrate (keep repeating these values for on/off effects). Example: "2s,1.5s,2s,1s" (wait for 2s, vibrate for 1.5s, then wait for 2s and finally vibrate for 1s).
If true, uses default LED light settings from configuration.
Device LED notification light. ARGB Hex format. Example(Blue):
Along with "Light off duration", define the blink rate of LED flashes. Duration in seconds with up to nine fractional digits, terminated by 's'. Example: "3.5s".
Along with "Light on duration", define the blink rate of LED flashes. Duration in seconds with up to nine fractional digits, terminated by 's'. Example: "3.5s".
The background color of the notification circle to the left of the notification text. Example(Blue):
The notification's icon. If not set, sets the default app icon from app settings.
Shows instead of a small icon. Can be a drawable resource name or a URL.
Background image for notification.
If true, notification persists even when the user clicks it.