UD codes in SAP Best Practice
I observed while testing SAP best practice scenarios that some UD codes were defined like YB02-01, YB03-01, YG-01, YG-03 , etc (category '3'). In this I guess that 'Y' or 'Z' means our defined codes and not SAP standard. But I am not understanding about the other characters. Are they followed any naming convension. If yes, what's that?
Please help me.