| url | string | "/" | Current URL route. |
| title | string | null | Current stage's name. |
| description | string | null | Current stage's description. |
| onCreated | function or string | (empty async function) | Will be called after passive stage creation. |
| onReady | function or string | (empty function) | Will be called after interactive stage creation. |
| onFocus | function or string | (empty function) | Will be called after user gain focus on this app. |
| onUpdate | function or string | (empty function) | Will be called each widget modification occured. |
| onDraw | function or string | (empty function) | Will be called when redraw frame. |
| onUnfocus | function or string | (empty function) | Will be called after user loses focus on this app. |
| onSuspend | function or string | (empty function) | Will be called before destroying interactive stage. |
| onDestroy | function or string | (empty function) | Will be called before destroying passive stage. |