Motion sensor

I am wanting to use the motion sensor to be an additional alert device. I already have the motion sensor linked to start recording with the cameras, but it only sends an email to let me know the device has sensed motion. Is there not a way of having it send the push notification and associated alert tone selected for the linked devices? I was under the impression that I could use the motion sensor as an advance warning. The delay that I have from motion in front of the camera to the push notification to my phone is not as instantaneous as I want it so be. I have tried to log into the camera while a delivery is being made at the front door only to find that the person is already gone. I want the motion sensor to send a push notification like the cameras do so I can be looking at the camera before the person is approaching the camera. Is this possible?