How to work with niagara material parameters (after bindings)

How to work with niagara material parameters (after bindings). Looks i can switch textures dynamicaly. But how???

I’m not sure if you can do that dynamically, I’m thinking maybe a Dynamic Material Instance but that would need to be created by a blueprint and I don’t know if you can send and set it to Niagara Emitter
You could use flipbooks tho, have you looked into that?

Flipbooks - may be a partial solution. But MID can allow to change materials dynamicaly to any material, not only to prepared with flipbooks.