Could please someone give me a right correction for this query? with Union

Question

with T1_CTE as select ad_date, spend, impressions, reach, clicks, leads, value, 'facebook_ads' as media_source from facebok_ads_basic_daiy fabd union ad_date, spend, impressions, reach, clicks, leads, value 'google_ads' from google_ads_basic_daily gabd) select media_source, sum(spend) as SUM_SPEND, sum(impressions), sum(clicks) from T1_CTE group by ad_date, media_source;

Combine data from different tables using the union operation But query won't work