Quick Dimension Question

I’m wondering if there is someone that can help or point me to a solution, I’m not sure of what nodes Einar refers to, and I’m continuing to blind guess as to how to proceed forward, I believe I have the latest version of Dynamo ie (1.1.0.2094)

But what I do have, is a set of (x,y,z) points in an Excel table, which generate Grid Lines,Create Grid Lines, the question is, what additional code or graph I can use to dimension the grid spacing at the same time as generating the grids ?