Hi
I need to make some validations to Partner Functions when Creating/Changing Purchase Orders.
These are captured in ME21N/ME22N at 'Partners' Strip (in a Table Control given in this strip).
In addition i will make some validations to Vendor Number in these two transactions too.
Does somebody knows a User Exit wich allows me to do this ?
I hope that i could do the Vendor Validation in the same User Exit that Partner Functions Validations, but i´m not sure, however i think the problem is to find the User Exit for the Partner Functions.
Speaking of this and if someone has time to help me, does somebody can explain me wich is the right way to find a User Exit for a Transaction ??
Some people tell me that it's searching at SAP Notes (?), but i dont' know how to do this; I tried searching for the 'CALL CUSTOMER-FUNCTION' string in transactions, but this doesn't works because the user exit calls are commonly in methods/functions called by the transactions and not in the transaction itself. I was searching too using breakpoints at statements 'CALL FUNCTION', but there are a lot of calls and this way shows only the actives 'CALL CUSTOMER-FUNCTION', not all the calls.
I tried too using SMOD transaction, but i didn't found the way for search the components (searching by component description for example), i just found the way for search by Enhancement description. Then, wich is the right way to find a User Exit ?? I will appreciate if somebody can help me in this topic.
Thanks in advanced.