def find(from_field_id)
      params = {"account_from_field" => from_field_id}
      resp = @connection.send_request("get_account_from_field", params)["result"]
      raise GetResponseError.new "Form field with id '#{from_field_id}' not found." if resp.empty?
      from_field_attrs = resp.values[0].merge("id" => resp.keys.first)