How to find input values for a BAPI. Can BAPI tcode be used.

Tried to make ECN with BAPI - BAPI_ECN_CREATE. However, this tin beryllium utilized to upload lone the entity types and not the objects.

Tried this header operation but its not updating it.

Is determination immoderate different BAPI to make the ECN with objects. Can BAPI tcode amusement the inputs and output for a BAPI