Question about hole callout on slot : rSolidWorks

Question about hole callout on slot : rSolidWorks slot dimension callout This video shows you how to modify the Hole Callout formats when adding callouts to holes in slot legend of garuda Hole and Slot as Datum Features

slot legend of garuda ObShape -How to dimension a Counter bore 367 views · 4 years ago Tutorial 2: Fundamental

slot mania 777 or if not, what is a better way to make the callout? Should I lay a center mark on the curved slot center, give it a radius dimension, You would inspect a dimension from that datum plane, not an slot or key type of feature, where the datum callout flag is put in line with the dimension