We have a Dahua VTO2202F-P-S2 door bell which aside from from the gDMSS Plus software installed on our phones, the camera stream has also been integrated into our Home Assistant via Dahua VTO integration in HACS. HA is also installed on a tablet in our kitchen and I have timed the screen to switch off after 30 minutes. The question I have, and I’ve been working on this for almost 2 years now without any luck, is it possible to create an automation that when someone rings the door bell, it wakes the tablet up and I can view the VTO camera stream like in the gDMSS software with the option to talk with the person or open the gate as opposed to simply seeing the live stream? Any help would be greatly appreciated 
actionable notification will pop up and give option to open link or view live
Pretty sure you can make this work for you
Edit
One of the actions i have is open gate below image…honestly I know or expect everyone that rings bell so I never need to talk.
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area you able to see the button as a sensor or button?
with that and a streaming feed… you can do that!..