Thanks for help. I am trying to create a segment, Please see request body below. { "name": "Test Hope Count 2023", "segment_criteria": "{\"version\":\"1.0.0\",\"criteria\":{\"type\":\"and\",\"group\":[{\"source\":\"list_membership\",\"field\":\"list_id\",\"op\":\"eq\",\"value\":\"f1d24760-0c4c-11ee-8112-fa163eaee913\"}]}}", } After I created, I am checking Constant Contact UI, and click on segment and I do not see the contacts from the list even though I refresh the segment multiple times ? How should I create segment_criteria based on contact list id or name ? Thanks
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