We can always see customers/partners using several direct updates in some form of Add-Ons/TransactionNotification. Below are some guidelines:
Question1: Is it permit to INSERT/UPDATE/DELETE on UDTs through HANA Studio, Coding, B1if?
Answer: Direct updates not allowed. It is ok for UDTs of type [no object] only.
Question2: Is it permit to INSERT/UPDATE/DELETE on UDFs from System table through HANA Studio, Coding, B1if?
Answer: Not allowed in Business One system tables.
Question3: Is it allowed to CREATE/ALTER/DROP in SAP Business One Database but not as UDTs?
Answer: It is not allowed to create tables in Business One other than via SDK UDTs.
Question1: Is it allowed to do: UPDATE OPOR SET Printed = ‘Y’?
Question2: Is it allowed to do: UPDATE OPOR SET U_DSIC_ParentDoc = ‘1234’?
Question3: Is it allowed to do: INSERT INTO [@DS_TESTUDT]?
Answer: No(If UDT is registered for UDO]
Yes for UDTs of type [no object] only.
These rules are described in the B1 certification page:http://scn.sap.com/docs/DOC-8590 and specifically the Test Plan document:http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/206767e1-8f64-2c10-49ba-aeacbfdd528c?quicklink=index&overridelayout=true section 3.4 Modifying SAP Business One Data.
The same applies while doing all these modifications in SBO_SP_PostTransactionNotice andSBO_SP_TransactionNotification. Refer to SAP Note 1320484 for the same.