You can now find your newly created campaign in the overview under “All campaigns”. Once the broadcast is complete, the status will change to "Completed". By clicking on the symbol in the "Report" column, you can view the campaign report and download it.
The report can be downloaded as a CSV file and includes not only subscriber data but also their status and any error messages, if applicable.
read this article in English:
https://docs.userlike.com/features/whatsapp-campaigns/campaign-evaluation