There is a command group 'az_notification hub_credential'. This group of commands could 'commands to manage notification hub credential'. 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_notification hub_credential_list'.The syntax is: az notification-hub credential list --namespace-name
                                    --notification-hub-name
                                    --resource-group. The 1th example of the child command would be to use it to 'list the pns credentials associated with a notification hub', the syntax is: az notification-hub credential list --resource-group MyResourceGroup --namespace-name my-namespace --notification-hub-name my-hub. The parameter '--namespace-name' is required. It is used to the namespace name.. The parameter '--notification-hub-name' is required. It is used to the notification hub name.. The parameter '--resource-group -g' is required. It is used to name of resource group. you can configure the default group using `az configure --defaults group=<name>`.. 