XYO bridge question

ok, read the set up instructions and got my sentinels connected to the xyp app and they show up in coin. Brdige is plugged into the net and supposedly working. Question I have is do I need to marry the Sentinels to the bridge, same as I did with xyfindit?

No, on the bridge it should show your sentinels in Nearby Devices. Click on Nearby Devices and it will show your sentinels as XY4+ devices.