Supermetrics supports several ways to add the "Destination URL" dimension to a Facebook Ads report. Refer to this table to see which option is right for your query.
When to use
|Existing post destination URL||Promoted post-type ads that were created from existing posts.|
|Promoted post destination URL||Promoted-post type ads that were created in Facebook Ad Manager.|
|Internal destination URL||Ads that link to a Facebook Page or another internal object.|
|External destination URL||Ads that link to an external webpage.|
|Destination URL||Catch-all field; will return the same value as a specific URL dimension.|