# Header ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **action** | Option<**String**> | Accepts a string value. | **cache_condition** | Option<**String**> | Name of the cache condition controlling when this configuration applies. | **dst** | Option<**String**> | Header to set. | **name** | Option<**String**> | A handle to refer to this Header object. | **regex** | Option<**String**> | Regular expression to use. Only applies to `regex` and `regex_repeat` actions. | **request_condition** | Option<**String**> | Condition which, if met, will select this configuration during a request. Optional. | **response_condition** | Option<**String**> | Optional name of a response condition to apply. | **src** | Option<**String**> | Variable to be used as a source for the header content. Does not apply to `delete` action. | **substitution** | Option<**String**> | Value to substitute in place of regular expression. Only applies to `regex` and `regex_repeat` actions. | **_type** | Option<**String**> | Accepts a string value. | [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)