For advertising expenses specification Google Ads, you need to set up UTM tags on the side of the advertising service.
How to set up UTM tags on Bitrix24
Go to Sales Intelligence > Google Ads > Add source.
Go to your Google Ads account, copy the utm_source tag and utm_content=cid|{campaignid}|gid|{adgroupid}|kwid|{targetid}. Add the utm_source and utm_content tags to your website address when you create your ad.
Your site address will be look like the following: https://helpdesk.bitrix24.com/open/13494070/
