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# kVTMotionEstimationSessionCreationOption_Label

A label you use to log and track resources.

```
let kVTMotionEstimationSessionCreationOption_Label: CFString!
```

## Discussion

[`VTMotionEstimationSessionCreate`](/documentation/VideoToolbox/VTMotionEstimationSessionCreate) takes a dictionary of creation options, `motionVectorProcessorSelectionOptions`.
You can supply [`kVTMotionEstimationSessionCreationOption_Label`](/documentation/VideoToolbox/kVTMotionEstimationSessionCreationOption_Label) with `CFString` to specify a label used in logging
and resource tracking.

---

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