There is a command group 'az_iot_du_instance'. This group of commands could 'device update instance 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_instance_create'.The syntax is: az iot du instance create --account
                          --instance
                          --iothub-ids
                          [--diagnostics-storage-id]
                          [--enable-diagnostics {false, true}]
                          [--no-wait]
                          [--resource-group]
                          [--tags]. The 1th example of the child command would be to use it to 'create an instance with minimum configuration', the syntax is: az iot du instance create -n {account_name} -i {instance_name} --iothub-ids {iothub_resource_id}. The 2th example of the child command would be to use it to 'create an instance with diagnostics enabled  paired with a user provided storage account  include tags', the syntax is: az iot du instance create -n {account_name} -i {instance_name} --iothub-ids {iothub_resource_id} --enable-diagnostics --diagnostics-storage-id {storage_account_resource_id} --tags a=b. 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 '--iothub-ids' is required. It is used to space-separated iot hub resource ids.. The parameter '--diagnostics-storage-id' is optional. user provided storage account resource id for use in diagnostic logs collection.. The parameter '--enable-diagnostics' is optional. enables diagnostic logs collection.. 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 '--tags' is optional. resource tags. property bag in key-value pairs with the following format: a=b c=d.. 