this my requirement.
Restriction of material selection during the MRP run.when MRP run is executed at
plant level,material requirement planning is excuted for all the material in the plant.
It is not advisable and may not be necessary to execute MRP run for all the materials
in the plant,as materials may have different frequency for MRP execution.This exit is
used in tr. code MD01.
*exit name they provide:M61X0001.
please help me how to achieve this.