We have a fenced in yard and let our dog out to do her thing for as long as she wants and when she's ready to come back in she'll wait at the back door. She's not much of a barker, more of a whiner, so sometimes we can't hear her letting us know she wants to come in. How can I set up an alert to notify us she's been standing at the back door for 10+ seconds? I'm not sure if this is something that could even leverage DeepStack dog detection or if it could/should just be done with motion zones but either way I couldn't figure out how to do it...appreciate any advice!