AWS Cloudflare log to Splunk

I followed this doc to ingest cloudflare log data from aws s3 bucket. I used aws ad-on for splunk, generic s3 to onboard the data. I configured the app as per doc but the app is not visualizing anything. can anyone help? I followed this doc https://developers.cloudflare.com/logs/analytics-integrations/splunk/

Are you on Cloudflare Enterprise Plan? Check Prerequisites. It is available for Enterprise Users only.