@adobe/helix-pipeline
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This project provides helper functions and default implementations for creating Hypermedia Processing Pipelines.
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Markdown
# Request Schema
```txt
https://ns.adobe.com/helix/pipeline/request
```
The HTTP Request
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :------------------ | :--------- | :---------- | :----------- | :---------------- | :-------------------- | :------------------ | :---------------------------------------------------------------- |
| Can be instantiated | No | Stabilizing | No | Forbidden | Forbidden | none | [request.schema.json](request.schema.json "open original schema") |
## Request Type
`object` ([Request](request.md))
# Request Properties
| Property | Type | Required | Nullable | Defined by |
| :-------------------------- | :------------ | :------- | :------------- | :----------------------------------------------------------------------------------------------------------------- |
| [url](#url) | `string` | Optional | cannot be null | [Request](request-properties-url.md "https://ns.adobe.com/helix/pipeline/request#/properties/url") |
| [path](#path) | `string` | Optional | cannot be null | [Request](request-properties-path.md "https://ns.adobe.com/helix/pipeline/request#/properties/path") |
| [pathInfo](#pathinfo) | `string` | Optional | cannot be null | [Request](request-properties-pathinfo.md "https://ns.adobe.com/helix/pipeline/request#/properties/pathInfo") |
| [rootPath](#rootpath) | `string` | Optional | cannot be null | [Request](request-properties-rootpath.md "https://ns.adobe.com/helix/pipeline/request#/properties/rootPath") |
| [selector](#selector) | `string` | Optional | cannot be null | [Request](request-properties-selector.md "https://ns.adobe.com/helix/pipeline/request#/properties/selector") |
| [extension](#extension) | `string` | Optional | cannot be null | [Request](request-properties-extension.md "https://ns.adobe.com/helix/pipeline/request#/properties/extension") |
| [method](#method) | `string` | Optional | cannot be null | [Request](request-properties-method.md "https://ns.adobe.com/helix/pipeline/request#/properties/method") |
| [headers](#headers) | Not specified | Optional | cannot be null | [Request](request-properties-headers.md "https://ns.adobe.com/helix/pipeline/request#/properties/headers") |
| [params](#params) | `object` | Optional | cannot be null | [Request](request-properties-params.md "https://ns.adobe.com/helix/pipeline/request#/properties/params") |
| [queryString](#querystring) | `string` | Optional | cannot be null | [Request](request-properties-querystring.md "https://ns.adobe.com/helix/pipeline/request#/properties/queryString") |
## url
The path and request parameters of the client request URL.
`url`
* is optional
* Type: `string`
* cannot be null
* defined in: [Request](request-properties-url.md "https://ns.adobe.com/helix/pipeline/request#/properties/url")
### url Type
`string`
### url Examples
```json
"/docs/api/general/index.nav.html?a=1"
```
## path
The path of the client request URL
`path`
* is optional
* Type: `string`
* cannot be null
* defined in: [Request](request-properties-path.md "https://ns.adobe.com/helix/pipeline/request#/properties/path")
### path Type
`string`
### path Examples
```json
"/docs/api/general/index.nav.html"
```
## pathInfo
The part of the client path that is relative to the rootPath.
`pathInfo`
* is optional
* Type: `string`
* cannot be null
* defined in: [Request](request-properties-pathinfo.md "https://ns.adobe.com/helix/pipeline/request#/properties/pathInfo")
### pathInfo Type
`string`
### pathInfo Examples
```json
"/general/index.nav.html"
```
## rootPath
The request root path of the current strain.
`rootPath`
* is optional
* Type: `string`
* cannot be null
* defined in: [Request](request-properties-rootpath.md "https://ns.adobe.com/helix/pipeline/request#/properties/rootPath")
### rootPath Type
`string`
### rootPath Examples
```json
"/docs/api"
```
## selector
The selector (sub-type indicator).
`selector`
* is optional
* Type: `string`
* cannot be null
* defined in: [Request](request-properties-selector.md "https://ns.adobe.com/helix/pipeline/request#/properties/selector")
### selector Type
`string`
### selector Examples
```json
""
```
```json
"nav"
```
## extension
The extension of the requested resource.
`extension`
* is optional
* Type: `string`
* cannot be null
* defined in: [Request](request-properties-extension.md "https://ns.adobe.com/helix/pipeline/request#/properties/extension")
### extension Type
`string`
### extension Examples
```json
"html"
```
```json
"json"
```
## method
The HTTP method of the request. Note: method names can be lower-case.
`method`
* is optional
* Type: `string`
* cannot be null
* defined in: [Request](request-properties-method.md "https://ns.adobe.com/helix/pipeline/request#/properties/method")
### method Type
`string`
## headers
The HTTP headers of the request. Note: all header names will be lower-case.
`headers`
* is optional
* Type: unknown
* cannot be null
* defined in: [Request](request-properties-headers.md "https://ns.adobe.com/helix/pipeline/request#/properties/headers")
### headers Type
unknown
## params
The passed through (and filtered) URL parameters of the request.
`params`
* is optional
* Type: `object` ([Details](request-properties-params.md))
* cannot be null
* defined in: [Request](request-properties-params.md "https://ns.adobe.com/helix/pipeline/request#/properties/params")
### params Type
`object` ([Details](request-properties-params.md))
## queryString
The original query string.
`queryString`
* is optional
* Type: `string`
* cannot be null
* defined in: [Request](request-properties-querystring.md "https://ns.adobe.com/helix/pipeline/request#/properties/queryString")
### queryString Type
`string`
### queryString Examples
```json
"?parameter1=foo¶meter2=bar"
```