app.project.item(index).layer(index).propertySpec.keyOutInterpolationType(keyIndex)
Description
Returns the outgoing interpolation type for the specified keyframe.
Parameters
keyIndex The index for the keyframe. An integer in the range [1..numKeys], as returned by the addKey or nearest -KeyIndex method.
Returns
A KeyframeInterpolationType enumerated value; one of:
KeyframeInter polationType.LINEAR
KeyframeInter polationType.BEZIER
KeyframeInterpolationType.HOLD