code: def to_call(self, func, *args, **kwargs):
          
          self.func = func
          self.func_args = args
          self.func_kwargs = kwargs
docs: Sets the function & its arguments to be called when the task is
          processed.
  
          Ex::
  
              task.to_call(my_function, 1, 'c', another=True)
  
          :param func: The callable with business logic to execute
          :type func: callable
  
          :param args: Positional arguments to pass to the callable task
          :type args: list
  
          :param kwargs: Keyword arguments to pass to the callable task
          :type kwargs: dict