I have a group of customers in say Model rank 1. I need to pull a control from the entire group and then split the balance into specific other groups. I don't want to use a split node, because the linkage between the mailed (test) and the control will not be written to the MA History Database tables. The Cell Linkage table will not be populated. When you use the A/B Test or the Communication Holdout functionality the linkage is written to the database. I need this to happen.
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