[FKeyHandle](API\Runtime\Engine\Curves\FKeyHandle) AddOrUpdateKey ( [FMovieSceneControlRigSpaceChannel](API\Plugins\ControlRig\Sequencer\FMovieSceneControlRigSpaceChanne-) * Channel, [UMovieSceneSection](API\Runtime\MovieScene\UMovieSceneSection) * SectionToKey, [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) Time, [ISequencer](API\Editor\Sequencer\ISequencer) & Sequencer, const [FGuid](API\Runtime\Core\Misc\FGuid) & ObjectBindingID, [FTrackInstancePropertyBindings](API\Runtime\MovieScene\FTrackInstancePropertyBindings) * PropertyBindings )