OptionalnoAvoid receiving (silent and invisible background) notifications. Useful to save battery.
List of user identifiers of other users currently using the client
For FCM and APNS VoIP, optional encryption key used to encrypt push notifications
Device token, see PUSH updates for the possible values.
Device token type, see PUSH updates for the possible values.
If (boolTrue) is transmitted, a sandbox-certificate will be used during transmission.