@adobe/helix-pipeline/docs/rawrequest-definitions-rawrequest-properties-headers.md

(formerly known as Hypermedia Pipeline)

# Untitled object in Raw Request Schema

```txt
https://ns.adobe.com/helix/pipeline/rawrequest#/definitions/rawrequest/properties/headers
```

The headers of the request made to OpenWhisk (or Simulator)


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

## headers Type

`object` ([Details](rawrequest-definitions-rawrequest-properties-headers.md))

# undefined Properties

| Property                                                | Type     | Required | Nullable       | Defined by                                                                                                                                                                                                                                        |
| :------------------------------------------------------ | -------- | -------- | -------------- | :------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| [x-openwhisk-activation-id](#x-openwhisk-activation-id) | `string` | Optional | cannot be null | [Raw Request](rawrequest-definitions-rawrequest-properties-headers-properties-x-openwhisk-activation-id.md "https://ns.adobe.com/helix/pipeline/rawrequest#/definitions/rawrequest/properties/headers/properties/x-openwhisk-activation-id") |
| [x-request-id](#x-request-id)                           | `string` | Optional | cannot be null | [Raw Request](rawrequest-definitions-rawrequest-properties-headers-properties-x-request-id.md "https://ns.adobe.com/helix/pipeline/rawrequest#/definitions/rawrequest/properties/headers/properties/x-request-id")                           |
| [x-cdn-request-id](#x-cdn-request-id)                   | `string` | Optional | cannot be null | [Raw Request](rawrequest-definitions-rawrequest-properties-headers-properties-x-cdn-request-id.md "https://ns.adobe.com/helix/pipeline/rawrequest#/definitions/rawrequest/properties/headers/properties/x-cdn-request-id")                   |
| [x-backend-name](#x-backend-name)                       | `string` | Optional | cannot be null | [Raw Request](rawrequest-definitions-rawrequest-properties-headers-properties-x-backend-name.md "https://ns.adobe.com/helix/pipeline/rawrequest#/definitions/rawrequest/properties/headers/properties/x-backend-name")                       |
| Additional Properties                                   | `string` | Optional | cannot be null | [Raw Request](rawrequest-definitions-rawrequest-properties-headers-additionalproperties.md "https://ns.adobe.com/helix/pipeline/rawrequest#/definitions/rawrequest/properties/headers/additionalProperties")                                 |

## x-openwhisk-activation-id

OpenWhisk Activation ID


`x-openwhisk-activation-id`

-   is optional
-   Type: `string`
-   cannot be null
-   defined in: [Raw Request](rawrequest-definitions-rawrequest-properties-headers-properties-x-openwhisk-activation-id.md "https://ns.adobe.com/helix/pipeline/rawrequest#/definitions/rawrequest/properties/headers/properties/x-openwhisk-activation-id")

### x-openwhisk-activation-id Type

`string`

## x-request-id

Request ID generated by OpenWhisk


`x-request-id`

-   is optional
-   Type: `string`
-   cannot be null
-   defined in: [Raw Request](rawrequest-definitions-rawrequest-properties-headers-properties-x-request-id.md "https://ns.adobe.com/helix/pipeline/rawrequest#/definitions/rawrequest/properties/headers/properties/x-request-id")

### x-request-id Type

`string`

## x-cdn-request-id

Request ID generated by the CDN


`x-cdn-request-id`

-   is optional
-   Type: `string`
-   cannot be null
-   defined in: [Raw Request](rawrequest-definitions-rawrequest-properties-headers-properties-x-cdn-request-id.md "https://ns.adobe.com/helix/pipeline/rawrequest#/definitions/rawrequest/properties/headers/properties/x-cdn-request-id")

### x-cdn-request-id Type

`string`

## x-backend-name

Name of the Backend handling the request.


`x-backend-name`

-   is optional
-   Type: `string`
-   cannot be null
-   defined in: [Raw Request](rawrequest-definitions-rawrequest-properties-headers-properties-x-backend-name.md "https://ns.adobe.com/helix/pipeline/rawrequest#/definitions/rawrequest/properties/headers/properties/x-backend-name")

### x-backend-name Type

`string`

## Additional Properties

Additional properties are allowed, as long as they follow this schema:




-   is optional
-   Type: `string`
-   cannot be null
-   defined in: [Raw Request](rawrequest-definitions-rawrequest-properties-headers-additionalproperties.md "https://ns.adobe.com/helix/pipeline/rawrequest#/definitions/rawrequest/properties/headers/additionalProperties")

### additionalProperties Type

`string`