dose the sharing goes both ways can i play music from that is on my phone on my computer
dose the sharing goes both ways can i play music from that is on my phone on my computer in home sharing
No. Only one way. Home Sharing shares out the iTunes library on a computer to other devices on the network.
Use Home Sharing to share media from a computer to other devices - Apple Support
Your iTunes Library on a computer should be the master library and contain everything your other devices have.