At the moment there is no doorbell push button event exposed over API or ONVIF. Due to this, it limits automations that can be done in third party automation systems like Home Assistant. You can find

Hi, can anyone tell me how to get the RTSP stream user/pass for a Tapo hardwired doorbell? It seems to be listening on the RTSP port, but I cannot get any user/pass combo to work. The Tapo FAQ mention