| # requestFocus method | |
| *[<Null safety>](https://dart.dev/null-safety)* | |
| Future<void> requestFocus | |
| (int viewRef) | |
| <p>Requests that focus be transferred to the child view referred to by | |
| viewRef. Note that this method should only be used with Scenics legacy | |
| GFX API</p> | |
| ## Implementation | |
| ```dart | |
| Future<void> requestFocus(int viewRef) async { | |
| return FocusState.instance.requestFocus(viewRef); | |
| } | |
| ``` | |