There is a command group 'az_ml_registry'. This group of commands could 'manage azure ml registries'. 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_ml_registry_list'.The syntax is: az ml registry list [--max-results]
                    [--resource-group]. The 1th example of the child command would be to use it to 'list all registries in the default resource group and subscription id', the syntax is: az ml registry list. The 2th example of the child command would be to use it to 'list all registries in the default resource group in the specified subscription  if no default resource group is set  then list all registries in the subscription', the syntax is: az ml registry list --subscription my-subscription-id. The 3th example of the child command would be to use it to 'list all registries in a specific resource group and subscription', the syntax is: az ml registry list --resource-group my-resource-group --subscription my-subscription-id. The 4th example of the child command would be to use it to 'list all registries using   query argument to execute a jmespath query on the results of commands', the syntax is: az ml registry list --query "[].{Name:name}"  --output table --resource-group my-resource-group. The parameter '--max-results -r' is optional. max number of results to return.. The parameter '--resource-group -g' is optional. name of resource group. you can configure the default group using `az configure --defaults group=<name>`.. 