The below are the available user exits for MB1A.
MBCF0002 Customer function exit: Segment text in material doc. item
MBCF0005 Material document item for goods receipt/issue slip
MBCF0006 Customer function for WBS element
MBCF0007 Customer function exit: Updating a reservation
MBCF0009 Filling the storage location field
MBCF0010 Customer exit: Create reservation
BAPI_RESERVATION_CREATE1
MBCF0011 Read from RESB and RKPF for print list in MB26
MB_CF001 Customer Function Exit in the Case of Updating a Mat. Doc.
To check for the suitable badi, Go to transaction SE24 and give the Object type as CL_EXITHANDLER and click on Display button.
Double click on method GET_INSTANCE, put a break point on case statement.
Execute your transaction and look for variable EXIT_NAME at your scenario then It will show the available badi's.
Reward if it is useful.
Bluesky
