There is a command group 'az_communication_identity_token'. This group of commands could 'commands to manage user tokens for 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_identity_token_issue'.The syntax is: az communication identity token issue --scope
                                      [--connection-string]
                                      [--user]. The 1th example of the child command would be to use it to 'issue access token', the syntax is: az communication identity token issue --scope chat. The 2th example of the child command would be to use it to 'issue access token with multiple scopes and user', the syntax is: az communication identity token issue --scope chat voip --user "8:acs:xxxxxx". The parameter '--scope' is required. It is used to list of scopes for an access token ex: chat/voip.. The parameter '--connection-string' is optional. communication connection string. environment variable: azure_communication_connection_string.. The parameter '--user' is optional. acs identifier.. 