• firebase.
• messaging

Callable

• messaging ( app ? :  App ) : Messaging

• Gets the Messaging service for the default app or a given app.

  firebase.messaging() can be called with no arguments to access the default app's Messaging service or as firebase.messaging(app) to access the Messaging service associated with a specific app.

  Calling firebase.messaging() in a service worker results in Firebase generating notifications if the push message payload has a notification parameter.

  The Messaging SDK does not work in a Node.js environment.

  example

  // Get the Messaging service for the default app
  var defaultMessaging = firebase.messaging();

  example

  // Get the Messaging service for a given app
  var otherMessaging = firebase.messaging(otherApp);

  namespace

  Parameters

  • Optional app: App

    The app to create a Messaging service for. If not passed, uses the default app.

  Returns Messaging