Segmentation dynamic selection list

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Segmentation dynamic selection list

CRM 5.0.1.30 - In Segmentation, I am trying to display a dynamic list from a table (instead of a hard-coded range) within the Products button, so that the users can see what is available to select. We are running with CRM 5.0.1.30, where there can only be one Hierarchy. Can this dynamic listing be shown via only legends? If so, how?