# Untitled string in Request Schema

```txt
https://ns.adobe.com/helix/pipeline/request#/properties/headers/additionalProperties
```



| Abstract            | Extensible | Status         | Identifiable            | Custom Properties | Additional Properties | Access Restrictions | Defined In                                                          |
| :------------------ | :--------- | :------------- | :---------------------- | :---------------- | :-------------------- | :------------------ | :------------------------------------------------------------------ |
| Can be instantiated | No         | Unknown status | Unknown identifiability | Forbidden         | Allowed               | none                | [request.schema.json\*](request.schema.json "open original schema") |

## additionalProperties Type

`string`