hello!
I just started using sap netweaver gateway and I am a complete beginner, so please take it slow on me 
(I am very thankful for useful links).
in transaction SEGW I have a question how I can build a smart solution for creating an entity type which is used to handle my business logic in the backend (erp) and also passing something like a bapiret2 to the frontend (SAP UI5) whether it has passed or failed.
here is a simple example:
I have a small Z table with personnel number (PERSNR), first name, last name and I'm passing via my odata channel the ID (PA0032-WAUSW) and create an entry in this Z table.
So actually I want to tell my frontend something like "Entry created" or "no ID found". How do I model this? My first and I guess wrong thought was to create an entity which has the fields of my Z table + the ID + the BAPIRET2 structure.
I am somehow a bit confused...maybe you can help me clear up my mind?
Thank you very much,
BR,
Dominik