There is a command group 'az_communication_chat_participant'. This group of commands could 'commands to manage participants in a chat thread of a communication service resource'. The group of commands has global parameter '--debug' which means 'Increase logging verbosity to show all debug logs.'. The group of commands has global parameter '--help -h' which means 'Show this help message and exit.'. The group of commands has global parameter '--only-show-errors' which means 'Only show errors, suppressing warnings.'. The group of commands has global parameter '--output -o' which means 'Output format.'. The group of commands has global parameter '--query' which means 'JMESPath query string. See <a href="http://jmespath.org/">http://jmespath.org/</a> for more information and examples.'. The group of commands has global parameter '--subscription' which means 'Name or ID of subscription. You can configure the default subscription using `az account set -s NAME_OR_ID`.'. The group of commands has global parameter '--verbose' which means 'Increase logging verbosity. Use --debug for full debug logs.'. This group contains a child command 'az_communication_chat_participant_remove'.The syntax is: az communication chat participant remove --thread
                                         --user
                                         [--access-token]
                                         [--endpoint]
                                         [--yes]. The 1th example of the child command would be to use it to 'remove participant', the syntax is: az communication chat participant remove --thread "19:a-bcd=xyz" --user "8:acs:xxxxxx". The parameter '--thread -t' is required. It is used to thread id.. The parameter '--user' is required. It is used to chat participant identifier.. The parameter '--access-token' is optional. communication access token. environment variable: azure_communication_access_token.. The parameter '--endpoint' is optional. communication endpoint. environment variable: azure_communication_endpoint.. The parameter '--yes -y' is optional. do not prompt for confirmation.. 