How can I get this node?

Development Programming & Scripting
1

307828-безымянныи.png

I’m begginer at UE4 and I need to get this node and I don’t know how to do it. It must be connected to Vector2D array and two float variables.

(I’m trying to make procedural mesh generation and i’m stuck in UV)
Sorry for my English knowledge

2

sorry, I understood how to do it