I have to create a sketch for Slot all the times whenever requires.

Hole wizard is a powerful tool to make holes on various planes in assembly. And, I want to use this tool to fulfil my requirement i.e I have to create a slot in assembly. But, I don't know how to create a custom hole profile and how to add it into hole wizard.

If there is any possible way to do this, then please help me, Thanks in advance. Other suggestions also welcome.

Pic for reference is also attached here to show, that what, I want to do with hole wizard.

EDITED BY MODERATOR: Moved to the Modeling and Assemblies space. Please post to the appropriate space when one exists.