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# kVTRAWProcessingParameter_ValueType

The value corresponding to this key is the type of the parameter.

```
extern CFStringRef const kVTRAWProcessingParameter_ValueType;
```

## Discussion

The value for this key must be one of the following:

- [`kVTRAWProcessingParameterValueType_Boolean`](/documentation/VideoToolbox/kVTRAWProcessingParameterValueType_Boolean)
- [`kVTRAWProcessingParameterValueType_Integer`](/documentation/VideoToolbox/kVTRAWProcessingParameterValueType_Integer)
- [`kVTRAWProcessingParameterValueType_Float`](/documentation/VideoToolbox/kVTRAWProcessingParameterValueType_Float)
- [`kVTRAWProcessingParameterValueType_List`](/documentation/VideoToolbox/kVTRAWProcessingParameterValueType_List)
- [`kVTRAWProcessingParameterValueType_SubGroup`](/documentation/VideoToolbox/kVTRAWProcessingParameterValueType_SubGroup)

---

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