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# supportsFrameSemantics(_:)

Checks whether a particular feature is supported.

```
class func supportsFrameSemantics(_ frameSemantics: ARConfiguration.FrameSemantics) -> Bool
```

## Parameters

`frameSemantics`

The frame semantics for which to check device support.

## Return Value

A boolean value that indicates whether the device supports the argument frame semantics.

## Discussion

Call this function before attempting to enable a frame semantic on your app’s configuration. For example, if you call `supportsFrameSemantic(.sceneDepth)` on [`ARWorldTrackingConfiguration`](/documentation/ARKit/ARWorldTrackingConfiguration), the function returns <doc://com.apple.documentation/documentation/Swift/true> on devices that support the LiDAR scanner’s depth buffer.

> Warning:
> Do not call this function on the superclass, ``doc://com.apple.arkit/documentation/ARKit/ARConfiguration``. Only configuration subclasses support frame semantics, such as those listed in `Choose your session's configuration`.

---

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