Perhaps a more meaningful term in this instance would be is informed by or waits for, but let「s stop short of proposing a new stereotype for this purpose.
As you can see, in this instance there is a single function argument.
如您所见,本例中只有一个函数参数。
They are commonly used to issue SISR instructions to NLP parsers in browsers, but in this instance they might be useful to you for sending hints to a dialog manager generator.