There is a command group 'az_eventgrid_topic'. This group of commands could 'manage azure event grid topics'. 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_eventgrid_topic_update'.The syntax is: az eventgrid topic update [--identity {noidentity, systemassigned}]
                          [--ids]
                          [--inbound-ip-rules]
                          [--name]
                          [--public-network-access {disabled, enabled}]
                          [--resource-group]
                          [--sku {basic, premium}]
                          [--subscription]
                          [--tags]. The 1th example of the child command would be to use it to 'update the properties of an existing topic with new sku  identity and public network access information', the syntax is: az eventgrid topic update -g rg1 --name topic1 --sku Premium --identity systemassigned --public-network-access enabled --inbound-ip-rules 10.0.0.0/8 Allow --inbound-ip-rules 10.2.0.0/8 Allow --tags Dept=IT --sku basic. The parameter '--identity' is optional. the identity type of the resource (e.g., topic or domain).. The parameter '--ids' is optional. one or more resource ids (space-delimited). it should be a complete resource id containing all information of 'resource id' arguments. you should provide either --ids or other 'resource id' arguments.. The parameter '--inbound-ip-rules' is optional. list of inbound ip rules specifying ip address in cidr notation e.g., 10.0.0.0/8 along with corresponding action to perform based on the match or no match of the ipmask. possible values include - allow.. The parameter '--name -n' is optional. name of the topic.. The parameter '--public-network-access' is optional. this determines if traffic is allowed over public network. by default it is enabled. you can further restrict to specific ips by configuring.. The parameter '--resource-group -g' is optional. name of resource group. you can configure the default group using `az configure --defaults group=<name>`.. The parameter '--sku' is optional. the sku name of the resource.. The parameter '--subscription' is optional. name or id of subscription. you can configure the default subscription using `az account set -s name_or_id`.. The parameter '--tags' is optional. space-separated tags: key[=value] [key[=value] ...]. use "" to clear existing tags.. 