<h2 id="fillmaxsize">fillMaxSize</h2>

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

```kotlin
public fun SubspaceModifier.fillMaxSize(
    @FloatRange(from = 0.0, to = 1.0) fraction: Float = 1f
): SubspaceModifier
```

Have the content fill (possibly only partially) the [VolumeConstraints.maxWidth](/jetpack-compose/androidx.xr.compose/compose/classes/VolumeConstraints),
[VolumeConstraints.maxHeight](/jetpack-compose/androidx.xr.compose/compose/classes/VolumeConstraints), and [VolumeConstraints.maxDepth](/jetpack-compose/androidx.xr.compose/compose/classes/VolumeConstraints) of the incoming measurement
constraints. See [SubspaceModifier.fillMaxWidth](/jetpack-compose/androidx.xr.compose/compose/functions/fillMaxWidth), [SubspaceModifier.fillMaxHeight](/jetpack-compose/androidx.xr.compose/compose/functions/fillMaxHeight), and
[SubspaceModifier.fillMaxDepth](/jetpack-compose/androidx.xr.compose/compose/functions/fillMaxDepth) for details. Note that, by default, the `fraction` is 1, so the
modifier will make the content fill the whole available space. If the incoming maximum width or
height or depth is `VolumeConstraints.Infinity` this modifier will have no effect in that
dimension.

#### Parameters

| | |
| --- | --- |
| fraction | The fraction of the maximum size to use, between `0` and `1`, inclusive. |