I have a fibaro sensor at the door and a web camera so this should be possible...? Is this possible to do with HBB?
https://developer.apple.com/videos/play/wwdc2016/710/
So now, for example, if you have a doorbell, a door lock, and a camera which are all configured by the user to be part of a room, maybe the user called the room an entryway, HomeKit will automatically associate services from these different accessories, and they can provide contact-sensitive controls to the user. This enables for some magical experiences like rich notifications.
So, for example, now here, when the doorbell rings, HomeKit will automatically take a snapshot from the camera, and the user is presented with a rich notification.