On the user side, I want to show only the host's video, not any participants or the user themselves

Hi @harshitgarg076 the UIToolkit doesn’t support selectively rendering participants at the moment. You’re importing it in the second line:

import uitoolkit from "@zoom/videosdk-ui-toolkit";

I’d suggest you check out the Video SDK instead for your use-case. Here’s an app to get you started quickly: GitHub - zoom/videosdk-web-helloworld