There is a command group 'az_network_vhub'. This group of commands could 'manage virtual hubs'. 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_vhub_create'.The syntax is: az network vhub create --name
                       --resource-group
                       [--address-prefix]
                       [--allow-b2b-traffic {0, 1, f, false, n, no, t, true, y, yes}]
                       [--asn]
                       [--auto-scale-config]
                       [--hub-routing-preference {aspath, expressroute, vpngateway}]
                       [--location]
                       [--no-wait {0, 1, f, false, n, no, t, true, y, yes}]
                       [--sku]
                       [--tags]
                       [--vwan]. The 1th example of the child command would be to use it to 'create a virtual hub', the syntax is: az network vhub create -g MyRG -n MyVHub --vwan MyVWan --address-prefix 10.0.0.0/24 -l SouthCentralUS --sku Standard. The parameter '--name -n' is required. It is used to name of the virtual hub.. 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>`.. The parameter '--address-prefix' is optional. cidr address prefix for the virtual hub.. The parameter '--allow-b2b-traffic' is optional. flag to control branch-to-branch traffic for virtualrouter hub.. The parameter '--asn' is optional. virtualrouter asn.. The parameter '--auto-scale-config' is optional. the virtualhub router autoscale configuration.  support shorthand-syntax, json-file and yaml-file. try "??" to show more.. The parameter '--hub-routing-preference' is optional. the hub routing preference gateway types.. The parameter '--location -l' is optional. location. values from: `az account list-locations`. you can configure the default location using `az configure --defaults location=<location>`.  when not specified, the location of the resource group will be used.. The parameter '--no-wait' is optional. do not wait for the long-running operation to finish.. The parameter '--sku' is optional. the sku of the virtualhub. allowed values: basic, standard.. The parameter '--tags' is optional. space-separated tags: key[=value] [key[=value] ...].  support shorthand-syntax, json-file and yaml-file. try "??" to show more.. The parameter '--vwan' is optional. name or id of the virtual wan.. 