I can help you with this.
Click on the App menu and then select "Universal Forwarder".
You can also use https://companyName.splunkcloud.com/en-US/app/splunkclouduf/setupuf
There are lots of ways to get to this window:
I am also trying to get a universal forwarder working and not having success.
The Splunk documentation for Client to SplunkCloud setup is quite confusing because it mixes terms like self-service with cloud and it fails to provide a clear example tutorial with troubleshooting steps for firewall, proxy, and other common problems. There are lots of forum topics, but it seems really hard to get the information needed in one place. Good luck to you.
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