Chroma Parameter Set

Sets a single legacy Chroma upstream keyer parameter. This is available on certain ATEM switchers such as the ATEM Television Studio HD, ATEM Television Studio Pro, ATEM Production Studio 4K, ATEM 1 M

Message	Description	Arguments
/mixeffect/usk/chroma/parameter/set	Sets a single legacy Chroma upstream keyer parameter.	Multiple

Argument	Type	Description
Parameter	Integer	0 = hue 1 = gain 2 = ySuppress Edge 3 = Lift
New Value	Float	The new value.
USK	Integer	One-based index of the Upstream Keyer. Default is 1.
M/E	Integer	One-based index of the Mix Effect Bus. Default is 1.