(Geonodes)Combine 2 attributes into one (Solved)

I need to save the Attribute (position) to the main mesh, and also project it to the new Grid geometry primitive. So when those objects are joined together, an attribute exists on both of them. So far I can access this attribute only from one subobject at a time, either from original or one I transfered it to

You can join the attribute fields by simply adding them:


Okay. I do not know why it didnt work for me initially, maybe because I skipped Set Material node and my debug colors didnt display on added mesh