code: def view(self, function_name, extension_name):
          
          if isinstance(self.Access_Control_Allow_Origin, dict):
              d = {
                  "Access-Control-Allow-Origin": self.Access_Control_Allow_Origin[function_name],
                  "Access-Control-Allow-Methods": self.Access_Control_Allow_Methods[function_name]
              }
          else:
              d = {
                  "Access-Control-Allow-Origin": self.Access_Control_Allow_Origin,
                  "Access-Control-Allow-Methods": self.Access_Control_Allow_Methods[function_name]
              }
  
          def r(*x, **y):
              val = getattr(self._extensions[extension_name], function_name)(*x, **y)
              if isinstance(val, Response):
                  val.headers.extend(d)
                  return val
              else:
                  val = list(val)
                  val[2].update(d)
                  return tuple(val)
          return r
docs: Builds response according to a function name
  
          :param function_name: Route name / function name
          :param extension_name: Name of the extension holding the function
          :return: Function