There is a command group 'az_iot_du_update'. This group of commands could 'device update update management'. 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_iot_du_update_delete'.The syntax is: az iot du update delete --account
                        --instance
                        --un
                        --up
                        --update-version
                        [--no-wait]
                        [--resource-group]
                        [--yes {false, true}]. The 1th example of the child command would be to use it to 'delete a target update with respect to update provider  name and version', the syntax is: az iot du update delete -n {account_name} -i {instance_name} --update-provider {provider_name} --update-name {update_name} --update-version {update_version}. The parameter '--account -n' is required. It is used to device update account name. you can configure the default account name using `az config set defaults.adu_account=<name>`.. The parameter '--instance -i' is required. It is used to device update instance name. you can configure the default instance name using `az config set defaults.adu_instance=<name>`.. The parameter '--un --update-name' is required. It is used to the update name.. The parameter '--up --update-provider' is required. It is used to the update provider.. The parameter '--update-version --uv' is required. It is used to the update version.. The parameter '--no-wait' is optional. do not wait for the long-running operation to finish.. The parameter '--resource-group -g' is optional. device update account resource group name. you can configure the default group using `az config set defaults.adu_group=<name>`.. The parameter '--yes -y' is optional. skip user prompts. indicates acceptance of action. used primarily for automation scenarios. default: false.. 