Composable Component
Navigation rails provide access to primary destinations in apps when using tablet and desktop
screens.
Common
```kotlin
@Composable
fun NavigationRail(
modifier: Modifier = Modifier,
containerColor: Color = NavigationRailDefaults.ContainerColor,
contentColor: Color = contentColorFor(containerColor),
header: @Composable (ColumnScope.() -> Unit)? = null,
windowInsets: WindowInsets = NavigationRailDefaults.windowInsets,
content: @Composable ColumnScope.() -> Unit,
)
```
#### Parameters
| | |
| --- | --- |
| modifier | the `Modifier` to be applied to this navigation rail |
| containerColor | the color used for the background of this navigation rail. Use `Color.Transparent` to have no color. |
| contentColor | the preferred color for content inside this navigation rail. Defaults to either the matching content color for `containerColor`, or to the current `LocalContentColor` if `containerColor` is not a color from the theme. |
| header | optional header that may hold a `FloatingActionButton` or a logo |
| windowInsets | a window insets of the navigation rail. |
| content | the content of this navigation rail, typically 3-7 `NavigationRailItem`s |