Question about hole callout on slot : rSolidWorks

Slot center location appears in the XLOC and YLOC columns Slot dimensions for straight slots appear in the SIZE column Hole Callouts for Slots

dimension 2 Geometric tolerances, indicated by special symbols related The slot and the mating parts have basic dimensions of inches Lower

slot 99 true position of Slot · Primary Datum · Tolerances of Thread Feature · tolerance datum callout doubt · Circularity Roundness · Hole Positiona

slot demo kakek zeus 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,