User exit while doing scope of planning

Hi Everybody,

In my Scanrio, I want to do the scope of planning for Particular Mrp controller.

I created separate Mrp controller, for that Mrp controller Given PIR.

In customization Created separate user exit for Mrp. Activated parallel processing also.

When running mrp for that Mrp controller Its planning all the Mrp controller. So how to rectify this issue, Someone pls through the light for this issue.

Regards,

S.Suresh.