Alipay alipay.trade.refund (unified receipt transaction refund API) asynchronous callback

look at Alipay api API documentation, refund interface alipay.trade.refund (unified receipt transaction refund interface) does not need to fill in the address of asynchronous callback, can it be said that refund does not need asynchronous callback?

Nov.09,2021

I remember setting the callback address on Alipay's open platform

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