If You Have Existing UTM Parameters in Your Ads

1. Open Meta Ads Manager.

2. Select the campaigns you want to edit, then select the ads view.

1. Hover over any of the ads and click Edit.

1. Scroll to Tracking > URL Parameters and add the parameters mentioned below

bl_source=facebook&bl_campaign={{campaign.id}}&bl_adid={{ad.id}.

1. Click Publish.