I added two custom fields in mara Table and the data in to that custom fields will be updated from other sap system.
There is a custom ztable with same fields that i added in mara.
my requirememt is i need to populate the data from mara table fields to my custom ztable fields
help me with this requirement.
You can put custom logic to populate Z-table fields in user exit EXIT_SAPLMGMU_001. This user exit will get triggered during save.