messaging function

Messaging messaging([
  1. App? app
])

Accesses the Messaging service for the default App or a given app.

See: firebase.google.com/docs/reference/js/firebase.messaging.

Implementation

Messaging messaging([App? app]) {
  final jsObject =
      (app != null) ? firebase.messaging(app.jsObject) : firebase.messaging();

  return Messaging.getInstance(jsObject);
}