Function
Common
```kotlin
fun SemanticsPropertyReceiver.getScrollViewportLength(
label: String? = null,
action: (() -> Float?),
)
```
Action to get a scrollable's active view port amount for scrolling actions.
#### Parameters
| | |
| --- | --- |
| label | Optional label for this action. |
| action | Action to be performed when the `SemanticsActions.GetScrollViewportLength` is called. |