# AvalaraSdk::EInvoicing::V1::FetchDocumentsRequestMetadata ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **workflow_id** | **String** | Specifies a unique ID for this workflow. | | | **data_format** | **String** | Specifies the data format for this workflow | | | **data_format_version** | **Float** | Specifies the data format version number | | | **country_code** | **String** | The two-letter ISO-3166 country code for the country for which document is being retrieved | | | **country_mandate** | **String** | The e-invoicing mandate for the specified country | | ## Example ```ruby require 'avalara_sdk' instance = AvalaraSdk::EInvoicing::V1::FetchDocumentsRequestMetadata.new( workflow_id: partner-einvoicing, data_format: ubl-invoice, data_format_version: 2.1, country_code: IL, country_mandate: IL-B2B-CLEARANCE ) ```