def load_masterfile(element_key)
      parameter = { basic_auth: @auth }
      response = self.class.get("/elements/#{element_key}/files/masterfile", parameter)
      return response if response.success?
    end
def load_masterfile(element_key)
      parameter = { basic_auth: @auth }
      response = self.class.get("/elements/#{element_key}/files/masterfile", parameter)
      return response if response.success?
    end
Loads the masterfile directly