Select the desired segments from the table ("Audiences" → "External segments"). Note that when you select a segment group, all nested segments are also selected. For convenience, search by segment name or data provider, and sort segments by providers and topics.
After selecting all the necessary segments, click the "Save" button. The added segments will appear in the "Segments list".
To target a campaign to these users, when you create a campaign, select a segment
from the list in the settings.
If you do not find the desired segment, send a request to the DMP using the "Request segment" button. Specify your wishes in the text box. After passing the moderation application will be transferred to the DMP.