| Type | Property name | Node |
|---|---|---|
| REGISTER | onRegister | Any |
| STATE_CHANGED | onStateChanged | Any |
| VALUE_CHANGED | onValueChanged | Any |
| NEW_VALUE | onNewValue | Any |
| FINALIZE | onFinalize | Any |
| RESET | onReset |
Being triggered once an UIElement node has been mounted.
Event target will change its state.