Add listener for a given SdkEvent

2.24.0

addSdkEventListener(SdkEvent.INITIALISED, function onSdkInitialisation(userProfile){
 console.log(userProfile);
})

Remove registered listenerFn for the given SdkEvent, when no listener passed, all registered event listener will be removed

2.24.0

removeSdkEventListener(SdkEvent.INITIALISED, onSdkInitialisation);