Set up EDI Idoc (Custom)

WE30 - To create basic type (or Extension) of custom idoc

WE31 - To create segments - with fields - Once you create you set them 'Release'

WE81 - Define Message type  -

WE82 - Link message type with idoc type


Outbound Idoc (Custom) -
- In Partner profile in WE20 set this new idoc type for the partner you want to sent to (like Logical System (LS) or Customer etc)

- Create a function module using FM MASTER_IDOC_DISTRIBUTE .  Take reference of MASTERIDOC_CREATE_* functions.

- Use the above function in your program to trigger idocs