Help for Metahuman Creator

Hello Everyone i want a help in Unreal latest version Metahuman creator where i want to use it in live action where with use of api i want to translate the body dimensions is it possible. I want some help to it that i can do that in my live scene. If there any person who is working on the same project or kind of stuff? Its really important to me i cant tell you in details about this project. I would be really greatful to you. All i want is it changes the metahuman mesh body structure as api sends.