User-Specific ChecksYou have the option of including user-specific individual checks.
You can also
create one or more function module(s) with defined interfaces, where these checks are performed
enter the names of the function modules in SAP Advanced Planner and Optimizer (SAP APO) Customizing, under .
The function modules entered here are considered in the model consistency check.
Implementation
To implement a function module with user-specific consistency checks, see function module /SAPAPO/MVM_CONS_CHK_EXAMPLE. All function modules you have implemented must have the same interface as this function module.
Note
For more information, see the function module documentation.