MPNAME$ simply gets the name of whatever device you want In the SmileBASIC tutorials, these assigned MPLOCAL values are called Terminal IDs More code examples: PRINT "Server created by "+MPNAME$(MPHOST) PRINT "Your name is "+MPNAME$(MPLOCAL) MPSEND "HI EVERYBODY!" MPRECV OUT tid,message$ PRINT MPNAME$(tid)+" said "+message$ 'which will print out "Squidy said HI EVERYBODY!" to every device