There is a command group 'az_network_front door'. This group of commands could 'manage classical azure front doors  for managing azure front door standard premium  please refer https   docs microsoft com en us cli azure afd view azure cli latest'. 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_network_front door_check name availability'.The syntax is: az network front-door check-name-availability --name
                                              --resource-type {microsoft.network/frontdoors, microsoft.network/frontdoors/frontendendpoints}. The 1th example of the child command would be to use it to 'check the availability of a front door resource name', the syntax is: az network front-door check-name-availability --name frontdoor1 --resource-type Microsoft.Network/frontDoors. The parameter '--name' is required. It is used to the resource name to be validated.. The parameter '--resource-type' is required. It is used to the type of the resource whose name is to be validated.. 