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Select the Programmatic Buyer account that you want to connect to your Advertiser in the Connection ID lookup field and manually assign the ID of this connection.
Repeat this step for each desired assignment.
Now when creating a New Media Campaign, you can use our Programmatic Buyer Selection, in order to select the applicable Programmatic Buyer. Depending on how the flow is set up in your environment, this can be a button or a part of your Media Campaign Layout.
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