I wonder what function was used.

I know the motion of the arm of the video is one of many functions of live2d.
But unfortunately, I'm a beginner at live2d.
I don't even know the name of the function that embodies movement.
Can you tell beginners how to learn the name or tutorial of that feature?
0 ·
Answers
Here are the links that I found helpful, credit to the channel owner
Actions
Poses