# UltracartClient::OrderItemOptionFileAttachment ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **expiration_dts** | **String** | Expiration date/time | [optional] | | **file_name** | **String** | File name | [optional] | | **mime_type** | **String** | Mime type | [optional] | | **size** | **Integer** | Size | [optional] | ## Example ```ruby require 'ultracart_api' instance = UltracartClient::OrderItemOptionFileAttachment.new( expiration_dts: null, file_name: null, mime_type: null, size: null ) ```