def find_attachment(resource_id, attachment_id)
      http.get("#{attachment_endpoint(resource_id)}/#{attachment_id}") do |response|
        Rexpense::Entities::Attachment.new response.parsed_body
      end
    end
def find_attachment(resource_id, attachment_id)
      http.get("#{attachment_endpoint(resource_id)}/#{attachment_id}") do |response|
        Rexpense::Entities::Attachment.new response.parsed_body
      end
    end
Get resource attachment

 [API]
   Method: <tt>GET /api/v1/expenses/:id/attachments/:id</tt>

   Documentation: http://developers.rexpense.com/api/attachments#show