mf_ad=[Ad/Creative_Name]&mf_adid=[Ad/Creative_ID]&mf_adset=[Ad_Set/Group_Name]&mf_adsetid=[Ad_Set/Group_ID]&mf_campaign=[Campaign_Name]&mf_campaignid=[Campaign_ID]&mf_domain=[Domain_where_ad_served]&mf_uid=[Unique_UID/DeviceID]