The Aqara D100 smart lock has an integrated doorbell. I can't see a way to integrate this into Homekit so I can have the doorbell sound on Homepod minis throughout the house.
Aqara D100 smartlock integrated doorbell
These are the Developer Forums, where developers of apps for Apple's platforms ask each other for hints and tips on coding.
Your question is more of a product support one, so I'd suggest you ask it over at the Apple Support Forums. Thanks.