This is a yielding function. When called, it will pause the Lua thread that called the function until a result is ready to be returned, without interrupting other scripts.
For thread safety, this property is not safe to read in an unsynchronized thread.
GetKeyframeSequenceAsync returns a
KeyframeSequence based on the specified assetId. The assetId must correspond to an animation. The function will yield until the
KeyframeSequence is loaded from the website. Because this is a webcall it should wrapped in a pcall.
The content ID of the animation.