pair my Bose sound bar to work with an Apple TV remote
First, on the Bose remote, hold down the Bluetooth button until you see a blue blinking light on the sound bar. This makes the sound bar discoverable by the Apple TV remote. Second, go in to settings and then select Bluetooth devices. You should now see the Bose device is now discoverable. Third, select the Bose sound bar and then exit out. Your Apple TV remote should now control the Bose sound bar.
Apple TV 4K, tvOS 16