# Fastly::DiffResponse ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **from** | **Integer** | The version number being diffed from. | [optional] | | **to** | **Integer** | The version number being diffed to. | [optional] | | **format** | **String** | The format the diff is being returned in (`text`, `html` or `html_simple`). | [optional] | | **diff** | **String** | The differences between two specified service versions. Returns the full config if the version configurations are identical. | [optional] | [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)