**To revoke a viewer session for a given multiple channel-ARN and viewer-ID pair** The following ``start-viewer-session-revocation`` example starts the process of revoking the viewer session associated with a specified channel ARN and viewer ID, up to and including the specified session version number. If the version is not provided, it defaults to 0. :: aws ivs batch-start-viewer-session-revocation \ --channel-arn arn:aws:ivs:us-west-2:123456789012:channel/abcdABCDefgh \ --viewer-id abcdefg \ --viewer-session-versions-less-than-or-equal-to 1234567890 This command produces no output. For more information, see `Setting Up Private Channels `__ in the *Amazon Interactive Video Service User Guide*.