Moves to the previous item on a wheel.
Namespace: Group.Editor
Void Group.Editor.StepPreviousWheelParameter(Int32 wheelIndex, Double timeDelta, Boolean fan, Boolean fineMode, Boolean rotateGroup)
http://[ip]:4430/titan/script/2/Group/Editor/StepPreviousWheelParameter?wheelIndex={titanId}&timeDelta={double}&fan={bool}&fineMode={bool}&rotateGroup={bool}
wheelIndex ( Int32 ) : The index of the wheel to step.
timeDelta ( Double ) : The time delta.
fan ( Boolean ) : if set to true [fan].
fineMode ( Boolean ) : if set to true move sub-pixels.
rotateGroup ( Boolean ) : if set to true rotate the selection as a group.