How can I control the xyz of 3d points in a design table?

How can i control the xyz of a point(s). I have a macro thatwill place the point cloud in a 3d sketch. Great. Now my problem isas our design developes the point(s) xyz changes a little. I usethe 3d points to locate items in an assembly so I have mates to thepoint. Is there a way to have a design table control this?

Thanks to anyone that can help.
CodySolidworksConfigurations design Tables