SOLIDWORKS - Slot Mates

How can I choose the default slot mate type to be 'centered'? solidworks slot mate Solidworks Mechanical Mate solidworks slot In this #shorts video, we look at using the Slot Mate in an assembly This Mechanical Mate

solidworks slot callout The problem is simulink doesn't seem to recognize the Slot Mate from Solidworks Is there an alternative for that mate on solidworks or is