# Command-line arguments

| Flag                            | Description                                                                                   |
| ------------------------------- | --------------------------------------------------------------------------------------------- |
| `--coherence-play-region`       | `eu`, `us` (or `local`).                                                                      |
| `--coherence-ip`                | Specific IP to point to.                                                                      |
| `--coherence-port`              | Specific port to point to.                                                                    |
| `--coherence-room-id`           | Specific Room to point to.                                                                    |
| `--coherence-room-tags`         | Room tags (space-separated).                                                                  |
| `--coherence-room-kv`           | <p>Key-value pairs (space-separated). Example:</p><p><code>key1 value1 key2 value2</code></p> |
| `--coherence-world-id`          | Specific World ID to point to.                                                                |
| `--coherence-simulation-server` | Connect and behave as a Simulator.                                                            |
| `--coherence-simulator`         | Same as `--coherence-simulation-server`.                                                      |