to best of my knowledge this is not supported.
have a look at API reference here on official help page (https://help.qlik.com) to see what you can currently do with API
https://help.qlik.com/en-US/nprinting/November2018/APIs/NP+API/index.html?page=38
cheers Lech, When applicable please mark the correct/appropriate replies as "solution" (you can mark up to 3 "solutions". Please LIKE threads if the provided solution is helpful to the problem.