We are on a trial subscription and they cannot provide support. No one is there i sales to respond me either.
Check out the Admin Configuration Service (ACS). The CLI version has a restart option. See https://docs.splunk.com/Documentation/SplunkCloud/8.2.2203/Config/ACSIntro and https://docs.splunk.com/Documentation/SplunkCloud/8.2.2203/Config/ACSCLI
What help do you need? Have you contacted Splunk Cloud Support as suggested?
I need steps to restart so that I can activate my connector