How to set the auto reply of the Xiaomi Smart Doorbell 3S?

For your reference, here are the steps to set auto reply on the Xiaomi Smart Doorbell 3S:
1. Go to the [Mi Home/Xiaomi Home] APP >> select [Xiaomi Smart Doorbell 3S] >> tap the three-dot icon at the upper right corner >> [Doorbell settings] >> select and turn on [Auto reply];
2. You can set the [Effective tome], [Scheduled replies] and [Voice reply] as your preference.
Note:
The setup is completed just on the APP, and the doorbell needs to be triggered by pressing the doorbell or by someone moving before the doorbell comes online again to take effect.