There is a command group 'az_acr_webhook'. This group of commands could 'manage webhooks for azure container registries'. 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_acr_webhook_update'.The syntax is: az acr webhook update --name
                      --registry
                      [--actions {chart_delete, chart_push, delete, push, quarantine}]
                      [--add]
                      [--force-string]
                      [--headers]
                      [--remove]
                      [--resource-group]
                      [--scope]
                      [--set]
                      [--status {disabled, enabled}]
                      [--tags]
                      [--uri]. The 1th example of the child command would be to use it to 'update headers for a webhook', the syntax is: az acr webhook update -n mywebhook -r myregistry --headers "Authorization=Basic 000000". The 2th example of the child command would be to use it to 'update the service uri and actions for a webhook', the syntax is: az acr webhook update -n mywebhook -r myregistry --uri http://myservice.com --actions push delete. The 3th example of the child command would be to use it to 'disable a webhook', the syntax is: az acr webhook update -n mywebhook -r myregistry --status disabled. The parameter '--name -n' is required. It is used to the name of the webhook.. The parameter '--registry -r' is required. It is used to the name of the container registry. it should be specified in lower case. you can configure the default registry name using `az configure --defaults acr=<registry name>`.. The parameter '--actions' is optional. space-separated list of actions that trigger the webhook to post notifications.. The parameter '--add' is optional. add an object to a list of objects by specifying a path and key value pairs.  example: `--add property.listproperty <key=value, string or json string>`.. The parameter '--force-string' is optional. when using 'set' or 'add', preserve string literals instead of attempting to convert to json.. The parameter '--headers' is optional. space-separated custom headers in 'key[=value]' format that will be added to the webhook notifications. use "" to clear existing headers.. The parameter '--remove' is optional. remove a property or an element from a list.  example: `--remove property.list <indextoremove>` or `--remove propertytoremove`.. 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 '--scope' is optional. the scope of repositories where the event can be triggered. for example, 'foo:*' means events for all tags under repository 'foo'. 'foo:bar' means events for 'foo:bar' only. 'foo' is equivalent to 'foo:latest'. empty means events for all repositories.. The parameter '--set' is optional. update an object by specifying a property path and value to set.  example: `--set property1.property2=<value>`.. The parameter '--status' is optional. indicates whether the webhook is enabled.. The parameter '--tags' is optional. space-separated tags: key[=value] [key[=value] ...]. use "" to clear existing tags.. The parameter '--uri' is optional. the service uri for the webhook to post notifications.. 