How to unlock level sequence via blueprint / C++ / python

Hi, guys!
Would you mind to help me please? Is it possible to unlock Level Sequence via blueprints, C++ or python?
I have hundreds of Level Sequences that should be unlocked and want to automize this process.

Unreal Forum’s magic!)

I was figuring out for 1 month about this issue. But when I wrote topic in Forum, I found answer!)

On screenshot you can see how to unlock Level Sequence from EditorUtilityWidget