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# FxParameterSettingAPI_v5

Defines the functions the application provides to set parameter values.

```
protocol FxParameterSettingAPI_v5 : NSObjectProtocol
```

## Topics

### Instance Methods

[`func setBoolValue(Bool, toParameter: UInt32, at: CMTime) -> Bool`](/documentation/professional_video_applications/FxParameterSettingAPI_v5/setBoolValue(_:toParameter:at:))

Sets the value of a Boolean parameter.

[`func setCustomParameterValue(any NSCopying & NSSecureCoding & NSObjectProtocol, toParameter: UInt32, at: CMTime) -> Bool`](/documentation/professional_video_applications/FxParameterSettingAPI_v5/setCustomParameterValue(_:toParameter:at:))

Sets a custom value for a custom parameter.

[`func setFloatValue(Double, toParameter: UInt32, at: CMTime) -> Bool`](/documentation/professional_video_applications/FxParameterSettingAPI_v5/setFloatValue(_:toParameter:at:))

Sets the value of a floating point parameter.

[`func setHistogramBlackIn(Double, blackOut: Double, whiteIn: Double, whiteOut: Double, gamma: Double, forChannel: FxHistogramChannel, fromParameter: UInt32, at: CMTime) -> Bool`](/documentation/professional_video_applications/FxParameterSettingAPI_v5/setHistogramBlackIn(_:blackOut:whiteIn:whiteOut:gamma:forChannel:fromParameter:at:))

Sets the values in a histogram parameter group.

[`func setIntValue(Int32, toParameter: UInt32, at: CMTime) -> Bool`](/documentation/professional_video_applications/FxParameterSettingAPI_v5/setIntValue(_:toParameter:at:))

Sets the value of an integer parameter.

[`func setParameterFlags(FxParameterFlags, toParameter: UInt32) -> Bool`](/documentation/professional_video_applications/FxParameterSettingAPI_v5/setParameterFlags(_:toParameter:))

Sets the flags for the state of a parameter.

[`func setPathID(FxPathID, toParameter: UInt32, at: CMTime) -> Bool`](/documentation/professional_video_applications/FxParameterSettingAPI_v5/setPathID(_:toParameter:at:))

Sets a custom value for a custom parameter.

[`func setRedValue(Double, greenValue: Double, blueValue: Double, alphaValue: Double, toParameter: UInt32, at: CMTime) -> Bool`](/documentation/professional_video_applications/FxParameterSettingAPI_v5/setRedValue(_:greenValue:blueValue:alphaValue:toParameter:at:))

Sets the value of an RGBA color parameter.

[`func setRedValue(Double, greenValue: Double, blueValue: Double, toParameter: UInt32, at: CMTime) -> Bool`](/documentation/professional_video_applications/FxParameterSettingAPI_v5/setRedValue(_:greenValue:blueValue:toParameter:at:))

Set the values of an RGB color parameter.

[`func setStringParameterValue(String, toParameter: UInt32) -> Bool`](/documentation/professional_video_applications/FxParameterSettingAPI_v5/setStringParameterValue(_:toParameter:))

Sets a string value for a string parameter.

[`func setXValue(Double, yValue: Double, toParameter: UInt32, at: CMTime) -> Bool`](/documentation/professional_video_applications/FxParameterSettingAPI_v5/setXValue(_:yValue:toParameter:at:))

Sets the xy values for a position parameter.

## Relationships

### Inherited By

[`FxParameterSettingAPI_v6`](/documentation/professional_video_applications/FxParameterSettingAPI_v6)

### Inherits From

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

---

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