There is a command group 'az_webpubsub_hub'. This group of commands could 'commands to manage webpubsub hub settings'. 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_webpubsub_hub_create'.The syntax is: az webpubsub hub create --hub-name
                        --name
                        --resource-group
                        [--allow-anonymous {false, true}]
                        [--event-handler]. The 1th example of the child command would be to use it to 'create a hub setting with two event handler settings', the syntax is: az webpubsub hub create -n MyWebPubSub -g MyResourceGroup --hub-name MyHub --event-handler url-template="http://host.com" user-event-pattern="MyEvent" --event-handler url-template="http://host2.com" system-event="connected" system-event="disconnected" auth-type="ManagedIdentity" auth-resource="uri://myUri". The 2th example of the child command would be to use it to 'create a hub setting with anonymous connection allowed', the syntax is: az webpubsub hub create -n MyWebPubSub -g MyResourceGroup --hub-name MyHub --allow-anonymous true. The parameter '--hub-name' is required. It is used to the hub to manage.. The parameter '--name -n' is required. It is used to name of the webpubsub.. 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 '--allow-anonymous' is optional. set if anonymous connections are allowed for this hub. true means allow and false means deny.. The parameter '--event-handler' is optional. template item for event handler settings. use key=value pattern to set properties. supported keys are "url-template", "user-event-pattern", "system-event", "auth-type" and "auth-resource". setting multiple "system-event" results in an array and for other properties, only last set takes active.. 