# Fastly::RequestSettingsAdditional ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **action** | **String** | Allows you to terminate request handling and immediately perform an action. | [optional] | | **default_host** | **String** | Sets the host header. | [optional] | | **hash_keys** | **String** | Comma separated list of varnish request object fields that should be in the hash key. | [optional] | | **name** | **String** | Name for the request settings. | [optional] | | **request_condition** | **String** | Condition which, if met, will select this configuration during a request. Optional. | [optional] | | **xff** | **String** | Short for X-Forwarded-For. | [optional] | [[Back to API list]](../../README.md#endpoints) [[Back to README]](../../README.md)