# RAW processing parameters Parameters to set on a RAW processing session. ## Topics ### Parameters [`extern CFStringRef const kVTRAWProcessingParameter_Key;`](/documentation/VideoToolbox/kVTRAWProcessingParameter_Key) The value corresponding to this key must match the identifier for one of the permitted processing parameters. [`extern CFStringRef const kVTRAWProcessingParameterListElement_Description;`](/documentation/VideoToolbox/kVTRAWProcessingParameterListElement_Description) The value corresponding to this key is a human-readable description for the element, suitable for displaying in a tooltip or other descriptive UI. [`extern CFStringRef const kVTRAWProcessingParameterListElement_Label;`](/documentation/VideoToolbox/kVTRAWProcessingParameterListElement_Label) The value corresponding to this key is a human-readable label for the element, suitable for displaying in a list of options. [`extern CFStringRef const kVTRAWProcessingParameterListElement_ListElementID;`](/documentation/VideoToolbox/kVTRAWProcessingParameterListElement_ListElementID) The value corresponding to this key is a number indicating the index of a list element parameter in a list in the processing parameters dictionary. [`extern CFStringRef const kVTRAWProcessingParameterValueType_Boolean;`](/documentation/VideoToolbox/kVTRAWProcessingParameterValueType_Boolean) The value corresponding to this key is a string that indicates a Boolean parameter type. [`extern CFStringRef const kVTRAWProcessingParameterValueType_Float;`](/documentation/VideoToolbox/kVTRAWProcessingParameterValueType_Float) The value corresponding to this key is a string that indicates a floating-point parameter type. [`extern CFStringRef const kVTRAWProcessingParameterValueType_Integer;`](/documentation/VideoToolbox/kVTRAWProcessingParameterValueType_Integer) The value corresponding to this key is a string that indicates an integer parameter type. [`extern CFStringRef const kVTRAWProcessingParameterValueType_List;`](/documentation/VideoToolbox/kVTRAWProcessingParameterValueType_List) The value corresponding to this key is a string that indicates a list parameter type. [`extern CFStringRef const kVTRAWProcessingParameterValueType_SubGroup;`](/documentation/VideoToolbox/kVTRAWProcessingParameterValueType_SubGroup) The value corresponding to this key is a string that indicates a subgroup parameter type. [`extern CFStringRef const kVTRAWProcessingParameter_CameraValue;`](/documentation/VideoToolbox/kVTRAWProcessingParameter_CameraValue) The value corresponding to this key is the “As Shot” value for this parameter as originally captured by the camera. [`extern CFStringRef const kVTRAWProcessingParameter_CurrentValue;`](/documentation/VideoToolbox/kVTRAWProcessingParameter_CurrentValue) The value corresponding to this key is the currently configured value for this parameter. [`extern CFStringRef const kVTRAWProcessingParameter_Description;`](/documentation/VideoToolbox/kVTRAWProcessingParameter_Description) The value corresponding to this key is a localized string with a description of the parameter suitable for display in a tooltip or other descriptive UI. [`extern CFStringRef const kVTRAWProcessingParameter_Enabled;`](/documentation/VideoToolbox/kVTRAWProcessingParameter_Enabled) The value corresponding to this key is Boolean indicating whether the parameter is enabled and can be modified. [`extern CFStringRef const kVTRAWProcessingParameter_InitialValue;`](/documentation/VideoToolbox/kVTRAWProcessingParameter_InitialValue) The value corresponding to this key is the initial value for this parameter as defined by the container and metadata provided at creation time. [`extern CFStringRef const kVTRAWProcessingParameter_ListArray;`](/documentation/VideoToolbox/kVTRAWProcessingParameter_ListArray) The value corresponding to this key is an array of dictionaries describing each element in the list. [`extern CFStringRef const kVTRAWProcessingParameter_MaximumValue;`](/documentation/VideoToolbox/kVTRAWProcessingParameter_MaximumValue) The value corresponding to this key is the maximum value allowed for this parameter. [`extern CFStringRef const kVTRAWProcessingParameter_MinimumValue;`](/documentation/VideoToolbox/kVTRAWProcessingParameter_MinimumValue) The value corresponding to this key is the minimum value allowed for this parameter. [`extern CFStringRef const kVTRAWProcessingParameter_Name;`](/documentation/VideoToolbox/kVTRAWProcessingParameter_Name) The value corresponding to this key is a localized string which can be displayed in UI representing this parameter. [`extern CFStringRef const kVTRAWProcessingParameter_NeutralValue;`](/documentation/VideoToolbox/kVTRAWProcessingParameter_NeutralValue) The value corresponding to this key is a neutral setting for the processor. [`extern CFStringRef const kVTRAWProcessingParameter_SubGroup;`](/documentation/VideoToolbox/kVTRAWProcessingParameter_SubGroup) The value corresponding to this key is an array of dictionaries representing the individual sub-parameters in this group. [`extern CFStringRef const kVTRAWProcessingParameter_ValueType;`](/documentation/VideoToolbox/kVTRAWProcessingParameter_ValueType) The value corresponding to this key is the type of the parameter. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)