# Fastly::VersionResponseAllOf ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **service_id** | **String** | | [optional][readonly] | | **environments** | [**Array<Environment>**](Environment.md) | A list of environments where the service has been deployed. | [optional] | [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)