Index
Properties
Properties
collapse Key
              
              The collapse key of this message. See Collapsible and non-collapsible messages.
Optional data
Arbitrary key/value pairs.
Type declaration
- 
                    
[key: string]: string
 
Optional fcm Options
              
              
            from
The sender of this message.
Message payload that contains the notification payload that is represented with firebase.messaging.NotificationPayload and the data payload that contains an arbitrary number of key-value pairs sent by developers through the Send API