# iOS Environment Variables

| Variable | Required | Used for | Where to find |
| --- | --- | --- | --- |
| `ZOOM_VIDEO_SDK_KEY` | Yes | Video SDK app credential pair | Zoom Marketplace -> Video SDK app -> App Credentials |
| `ZOOM_VIDEO_SDK_SECRET` | Yes (server only) | JWT signing for Video SDK token | Zoom Marketplace -> Video SDK app -> App Credentials |
| `VIDEO_SDK_TOKEN_ENDPOINT` | Yes | Token fetch endpoint used by iOS app | Your backend config |
| `VIDEO_SDK_SESSION_NAME` | Runtime | Session/topic identifier | Generated by application workflow |
| `VIDEO_SDK_USER_NAME` | Runtime | Session display name | Derived from app identity/profile |

## Runtime-only values

- `VIDEO_SDK_TOKEN` is generated backend-side and sent to app for join.