setValueAtKey()

Finds the specified keyframe and sets its value.If the named property has no keyframes, or no keyframe with the specified index, this method generates an ex

numKeys

The number of keyframes in the named property. If the value is 0, the property is not being keyframed.Integer; read-only.

matchName

A special name for the property used to build unique naming paths. The match name is not displayed, but you can refer to it in scripts. Every property has a