--- title: "SemanticsNode" description: "A list of key/value pairs associated with a layout node or its subtree. Each SemanticsNode takes its id and initial key/value list from the outermost modifier on one layout node. It also contains the \"collapsed\" configuration of any other semantics modifiers on the same layout node, and if \"mergeDescendants\" is specified and enabled, also the \"merged\" configuration of its subtree." type: "class" ---
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```kotlin class SemanticsNode internal constructor( internal val outerSemanticsNode: Modifier.Node, val mergingEnabled: Boolean, internal val layoutNode: LayoutNode, internal val unmergedConfig: SemanticsConfiguration, ) ``` A list of key/value pairs associated with a layout node or its subtree. Each SemanticsNode takes its id and initial key/value list from the outermost modifier on one layout node. It also contains the "collapsed" configuration of any other semantics modifiers on the same layout node, and if "mergeDescendants" is specified and enabled, also the "merged" configuration of its subtree. ## Properties
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```kotlin val layoutInfo: LayoutInfo ``` The `LayoutInfo` that this is associated with.
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```kotlin val root: RootForTest? ``` The `root` this node is attached to.
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```kotlin val id: Int ``` For newer AccessibilityNodeInfo-based integration test frameworks, it can be matched in the extras with key "androidx.compose.ui.semantics.id"
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```kotlin val touchBoundsInRoot: Rect ``` The rectangle of the touchable area. If this is a clickable region, this is the rectangle that accepts touch input. This can be larger than `size` when the layout is less than `ViewConfiguration.minimumTouchTargetSize`
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```kotlin val size: IntSize ``` The size of the bounding box for this node, with no clipping applied
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```kotlin val boundsInRoot: Rect ``` The bounding box for this node relative to the root of this Compose hierarchy, with clipping applied. To get the bounds with no clipping applied, use Rect(`positionInRoot`, `size`.toSize())
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```kotlin val positionInRoot: Offset ``` The position of this node relative to the root of this Compose hierarchy, with no clipping applied
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```kotlin val boundsInWindow: Rect ``` The bounding box for this node relative to the window, with clipping applied. To get the bounds with no clipping applied, use PxBounds(`positionInWindow`, `size`.toSize())
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```kotlin val positionInWindow: Offset ``` The position of this node relative to the window, with no clipping applied
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```kotlin val positionOnScreen: Offset ``` The position of this node relative to the screen, with no clipping applied
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```kotlin val config: SemanticsConfiguration ``` The list of semantics properties of this node. This includes all properties attached as modifiers to the current layout node. In addition, if mergeDescendants and mergingEnabled are both true, then it also includes the semantics properties of descendant nodes.
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```kotlin val children: List ``` Contains the children in inverse hit test order (i.e. paint order). Note that if mergingEnabled and mergeDescendants are both true, then there are no children (except those that are themselves mergeDescendants).
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```kotlin val isRoot: Boolean ``` Whether this SemanticNode is the root of a tree or not
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```kotlin val parent: SemanticsNode? ``` The parent of this node in the tree. ## Functions ```kotlin fun getAlignmentLinePosition(alignmentLine: AlignmentLine): Int ``` Returns the position of an `alignment line`, or `AlignmentLine.Unspecified` if the line is not provided.