def attachment_data(attachmentId)
      url = "/attachments/#{attachmentId}/data.json"
      item = Client.request_item(@auth, url, nil)
      attachmentData = nil
      if item
        attachmentData = Conversation::AttachmentData.new(item)
      end

      attachmentData
    end
def attachment_data(attachmentId)
      url = "/attachments/#{attachmentId}/data.json"
      item = Client.request_item(@auth, url, nil)
      attachmentData = nil
      if item
        attachmentData = Conversation::AttachmentData.new(item)
      end

      attachmentData
    end
Get Attachment Data
 http://developer.helpscout.net/conversations/

 Fetches the AttachmentData from a given Attachment

 attachmentId  Int  id of the Attachment being requested

 Request
  REST Method: GET
  URL: https://api.helpscout.net/v1/attachments/{id}/data.json

 Response
  Name  Type
  item  Conversation::AttachmentData