Function appReady

appReady(listenerId, fn): void
JMap.Application.Event.Main.on.appReady

This event is triggered once when:
- all of the application services are loaded,
- the redux store and its reducers are also loaded,
- the initial session validation has been executed. At thas point, if the session has successfully been validated, the logged-in user will also be available.
Parameters
- listenerId: string
  Your listener id (must be unique)
- fn: (() => void)
  Your listener function
  - - (): void
    - Returns void
Returns void
Example
```
// log a message in the console once the application is loaded
JMap.Application.Event.Main.on.appReady(
  "custom-app-ready",
  () => {
    if (JMap.User.getToken() !== "-1") {
      console.log(`Logged in username is: "${JMap.User.getUsername()}"`)
    } else {
      console.log(`No user logged in`)
    }
  }
)
```