assign new Messagetype to Distributionmodel Filter for a BAPI

Hi,

dou you know how to customize the filter "receiverdetermination" for BAPI, to add a new messagtype ?

Steps:

1. BD64

2. Add BAPI

3. Add Filter.

The Receiverdetermination filter ist filled with a lot of messagetypes and i want to add new ones.

Thx,

Gordon