iPhone sounds for door and window sensors?

When my door or windows open I get a standard iPhone alert tone. I want to change it. But under Ring/Devices, there is no option to choose tones for sensors like there is for my doorbell or floodlight cams. And inside IOS, under Notifications/Ring there is no choice of sounds. How can I change the sound my iPhone makes when a door sensor goes off?

Hi @LakeshoreJR. You can change the chirp tone that is played from the Base Station for your Contact Sensors in the Ring App. Open the Ring App > Main Menu > Devices > Alarm Base Station > Contact Sensor > Chirtp Tones. This will change the tone that is played from the Base Station and the Keypad, but your phone will still play the normal alert tone.