There is a command group 'az_ml v1 _datastore'. This group of commands could 'commands for managing and using datastores with the azure ml workspace'. 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_ml v1 _datastore_attach file'.The syntax is: az ml datastore attach-file --account-name
                            --name
                            --share-name
                            [--account-key]
                            [--endpoint]
                            [--include-secret]
                            [--output-metadata-file]
                            [--path]
                            [--protocol]
                            [--resource-group]
                            [--sas-token]
                            [--subscription-id]
                            [--workspace-name]. The parameter '--account-name -a' is required. It is used to the name of the storage account.. The parameter '--name -n' is required. It is used to the datastore name.. The parameter '--share-name -c' is required. It is used to the file share name.. The parameter '--account-key -k' is optional. the storage account key.. The parameter '--endpoint' is optional. the endpoint of the storage account. defaults to core.windows.net.. The parameter '--include-secret' is optional. show the registered secret for the datastores.. The parameter '--output-metadata-file -t' is optional. provide an optional output file location for structured object output.. The parameter '--path' is optional. path to a root directory for run configuration files.. The parameter '--protocol' is optional. protocol to use to connect to the blob container. if not specified, defaults to https.. The parameter '--resource-group -g' is optional. resource group name.. The parameter '--sas-token' is optional. a sas token for the blob container.. The parameter '--subscription-id' is optional. specifies the subscription id.. The parameter '--workspace-name -w' is optional. workspace name.. 