Question about hole callout on slot : rSolidWorks

Dimensioning to edges of a slot in techdraw slot dimension callout 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, slot jungle jim Placed as one half in an open-ended size dimension A few common Feature of Size Datum Features are bores, cylinders, slots, or tabs

slot แตกบ่อย Is there a callout to give the size of slots constructed in sheetmetal? I've searched, and not found an automatic size callout for the slot