Callable
-
Gets the
Performance
service.firebase.performance()
can be called with no arguments to access the default app'sPerformance
service. ThePerformance
service does not work with any other app.The Performance SDK does not work in a Node.js environment.
Parameters
-
Optional app: App
The app to create a performance service for. Performance Monitoring only works with the default app. If not passed, uses the default app.
Returns Performance
-
The Performance SDK does not work in a Node.js environment.