Every drop of SAP is comparable to one SAP Transaction Code, and SAP is like the ocean. How to locate the correct SAP Transaction Code for a procedure in the absence of any prior knowledge.
Execute the Find Transaction Code option as indicated below by going to Transaction Code SE16T.
After execution, we see the screen below.
If I want to know the transaction code for an internal order, I would type internal order.
All of the transaction codes for internal orders are listed above.
Please see the video link below.