# LayoutIdParentData

Artifact: [androidx.compose.ui:ui](https://developer.android.com/jetpack/androidx/releases/compose-ui) [View Source](https://cs.android.com/search?q=file:androidx/compose/ui/layout/LayoutId.kt+class:androidx.compose.ui.layout.LayoutIdParentData) Added in [1.0.0](https://developer.android.com/jetpack/androidx/releases/compose-ui#1.0.0) Common/AllAndroid/JVM
- Cmn

  ```
  interface LayoutIdParentData
  ```

*** ** * ** ***

Can be implemented by values used as parent data to make them usable as tags. If a parent data value implements this interface, it can then be returned when querying `https://developer.android.com/reference/kotlin/androidx/compose/ui/layout/package-summary#(androidx.compose.ui.layout.Measurable).layoutId()` for the corresponding child.

## Summary

| ### Public properties |
|---|---|---|
| `https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html` | `https://developer.android.com/reference/kotlin/androidx/compose/ui/layout/LayoutIdParentData#layoutId()` | Cmn |

## Public properties

### layoutId

Cmn Added in [1.0.0](https://developer.android.com/jetpack/androidx/releases/compose-ui#1.0.0)

```
val layoutId: Any
```