app.project.item(index).layer(index).propertySpec.keyTemporalAutoBezier(keyIndex)
Description
Returns true if the specified keyframe has temporal auto-Bezier interpolation.
Temporal auto-Bezier interpolation affects this keyframe only if the keyframe interpolation type is KeyframeInterpolationType.
BEZIER for both keyInInterpolationType(keyIndex) and keyOutInterpolationType(
keyIndex).
Parameters
keyIndex The index for the keyframe. An integer in the range [1..numKeys], as returned by the addKey or nearest-KeyIndex method.
Returns
Boolean.