There is a command group 'az_iot_du_update_file'. This group of commands could 'update file operations'. 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_file_show'.The syntax is: az iot du update file show --account
                           --instance
                           --ufid
                           --un
                           --up
                           --update-version
                           [--resource-group]. The 1th example of the child command would be to use it to 'show a specific update file with respect to update provider  name and version', the syntax is: az iot du update file show -n {account_name} -i {instance_name} --update-provider {provider_name} --update-name {update_name} --update-version {update_version} --update-file-id {update_file_id}. 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 '--ufid --update-file-id' is required. It is used to the update file id.. 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 '--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>`.. 