In the create flow you are able to select the network you want to build ads for. You can update the selected network again in the publish flow by taking the following steps.
Click on “Manage” in the hub and click on “Ads”
Click on “Publish” on the right of the ad set you want
Select the network you want to download the ad set for
NOTE: Once you select a new network that network will be saved as a setting on the ad set. This means that if you want to update the attached network you’ll also have to take the steps above, before continuing editing your ads.
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