How do you put a wheel on an axle in onshape?

I’m new to Onshape and using it for my online challenge but I don’t know how to put a wheel on an axle. Thanks

This video should help: CAD Level 4 - Connecting Parts - Onshape for VEX Robotics - 2022 - YouTube

You may be interested in the other videos in this playlist as well: https://www.youtube.com/playlist?list=PL58YBuL9CL7KdaFquOuCasoTzGwnjHFUN