Is it possible to Add a Layer to a Material Instance via Blueprints/C++?

Hello :slight_smile:

I’m trying to add a new Material Layer to a Material instance via Editor Blueprint/C++.
I’m not trying to do it at runtime, but in editor as a tool to add a specific layer to a bunch of MIs to make life easier (instead of opening one-by-one and adding them manually).

Is there a way of doing it?