<div class='sourceset sourceset-android'>Android</div>

```kotlin
@ComposableTargetMarker(description = "Subspace Composable")
@Target(
    AnnotationTarget.FILE,
    AnnotationTarget.FUNCTION,
    AnnotationTarget.PROPERTY_GETTER,
    AnnotationTarget.TYPE,
    AnnotationTarget.TYPE_PARAMETER,
)
public annotation class SubspaceComposable
```

Marks a composable function or other code element as intended for use within the context of
[SubspaceComposable](/jetpack-compose/androidx.xr.compose/compose/classes/SubspaceComposable) functions.