There is a command group 'az_deployment_sub'. This group of commands could 'manage azure resource manager template deployment at subscription scope'. 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_deployment_sub_validate'.The syntax is: az deployment sub validate --location
                           [--handle-extended-json-format]
                           [--name]
                           [--no-prompt {false, true}]
                           [--parameters]
                           [--query-string]
                           [--template-file]
                           [--template-spec]
                           [--template-uri]. The 1th example of the child command would be to use it to 'validate whether a template is valid at subscription scope', the syntax is: az deployment sub validate --location westus2 --template-file {template-file}. The 2th example of the child command would be to use it to 'validate whether a template is valid at subscription scope   autogenerated', the syntax is: az deployment sub validate --location westus2 --parameters MyValue=This MyArray=@array.json --template-file azuredeploy.json. The parameter '--location -l' is required. It is used to the location to store the deployment metadata.. The parameter '--handle-extended-json-format -j' is optional. support to handle extended template content including multiline and comments in deployment.. The parameter '--name -n' is optional. the deployment name.. The parameter '--no-prompt' is optional. the option to disable the prompt of missing parameters for arm template. when the value is true, the prompt requiring users to provide missing parameter will be ignored. the default value is false.. The parameter '--parameters -p' is optional. supply deployment parameter values.. The parameter '--query-string -q' is optional. the query string (a sas token) to be used with the template-uri in the case of linked templates.. The parameter '--template-file -f' is optional. the path to the template file or bicep file.. The parameter '--template-spec -s' is optional. the template spec resource id.. The parameter '--template-uri -u' is optional. the uri to the template file.. 