You need to set up the Phone Link app on your Windows 11 PC and connect the smartphone you want to use as a webcam. Once done ...
To use the Windows 11 multi-app camera feature, join the Windows Insider Program and install Insider Preview Build 26120.2702. Then go to Settings > Bluetooth & devices > Cameras, select your camera, ...
You can add a filter or lens to your Snaps, but the process is quite different, depending on the effect you want to use.