What is the "Coordinate Index" for in texcoord node?

The documentation is your friend :slight_smile: Coordinates Expressions | Unreal Engine Documentation

Coordinate Index is for specifying with UV channel to use and starts at 0.

I know what the uv tiling is for but what is the coordinate index for? what does it do? i really want to understand everything in ue4 better so i can use it to its full capability.

oh! so thatโ€™s where i can choose which channel to use for texture! wow amazing. thank you very much! :smiley: