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You can use this component to activate the check digit procedure when creating master records for customers, vendors or objects.
The function module is called with import parameter I_OBJECT which contains one of the three values 'CUSTOMER', 'VENDOR' or 'PSOOB'. For master data which you want to activate the check digit procedure for, set return parameter E_RC to 0. If you do not want to activate the check digit procedure, set E_RC to something other than 0.
Note that return parameter E_RC already contains the value 0 by default. This ensures that the check digit procedure is automatically active for all three types of data as soon as enhancement SAPLF0KB has been activated; this also applies if customer include ZXFKBU01 has not yet been created.
You also activate the check digit procedure in the Implementation Guide (IMG) of Funds Management Funds Management Government, by executing IMG activity "Activate Check Digit Customer/Vendor/Object".
When check digits are used, the MODULO11 procedure is then used. If you want to use a different procedure, you can use component EXIT_SAPLF0KB_002 Return Number Including Check Digits.