# Update > Update a lobby. Update a lobby. Authentication Required: `Yes` ```bash ugs lobby update [options] ``` ## Arguments `` The ID of the lobby to update. `` The JSON body containing the update to apply to the lobby. If this is a file path, the content of the file is used; otherwise, the raw string is used. ## Options | | Alias | Description | | ---------------- | ---------------------- | ------------------------------------ | | service-id | --service-id | (REQUIRED) The service ID. | | player-id | --player-id | The ID of the player to impersonate. | | project-id | -p, --project-id | The Unity cloud project ID. | | environment-name | -e, --environment-name | The services environment name. | | help | -?, -h, --help | Display help and usage information. | | quiet | -q, --quiet | Reduce logging to a minimum. | | json | -j, --json | Use JSON as the output format. |