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 Measurable.layoutId for the corresponding child.
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Last updated 2025-05-15 UTC.
[null,null,["Last updated 2025-05-15 UTC."],[],[],null,["# LayoutIdParentData\n==================\n\nArtifact: [androidx.compose.ui:ui](/jetpack/androidx/releases/compose-ui) \n[View Source](https://cs.android.com/search?q=file:androidx/compose/ui/layout/LayoutId.kt+class:androidx.compose.ui.layout.LayoutIdParentData) \nAdded in [1.0.0](/jetpack/androidx/releases/compose-ui#1.0.0)\nCommon/AllAndroid/JVM\n - Cmn \n\n ```\n interface LayoutIdParentData\n ```\n\n*** ** * ** ***\n\nCan 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 [Measurable.layoutId](/reference/kotlin/androidx/compose/ui/layout/package-summary#(androidx.compose.ui.layout.Measurable).layoutId()) for the corresponding child.\n\nSummary\n-------\n\n| ### Public properties |\n|-----------------------------------------------------------------------------|----------------------------------------------------------------------------------------|-----|\n| [Any](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html) | [layoutId](/reference/kotlin/androidx/compose/ui/layout/LayoutIdParentData#layoutId()) | Cmn |\n\nPublic properties\n-----------------\n\n### layoutId\n\nCmn \nAdded in [1.0.0](/jetpack/androidx/releases/compose-ui#1.0.0) \n\n```\nval layoutId: Any\n```"]]
