# Unity Environment Variables | Variable | Required | Used for | Where to find | | --- | --- | --- | --- | | `ZOOM_VIDEO_SDK_KEY` | Yes | Video SDK credential pair (server use) | Zoom Marketplace -> Video SDK app -> App Credentials | | `ZOOM_VIDEO_SDK_SECRET` | Yes (server only) | Token signing secret | Zoom Marketplace -> Video SDK app -> App Credentials | | `VIDEO_SDK_TOKEN_ENDPOINT` | Yes | Unity app token fetch URL | Your backend deployment config | | `VIDEO_SDK_SESSION_NAME` | Runtime | Session/topic identifier | Generated by game/app workflow | | `VIDEO_SDK_USER_NAME` | Runtime | Participant display name | Game/app profile identity | ## Runtime-only values - `VIDEO_SDK_TOKEN` should be short-lived and backend-generated.