---
lang: en
title: 'API docs: authorization.enforcer'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/authorization
permalink: /doc/en/lb4/apidocs.authorization.enforcer.html
---

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[Home](./index.md) &gt; [@loopback/authorization](./authorization.md) &gt; [Enforcer](./authorization.enforcer.md)

## Enforcer interface

An enforcer of authorization policies

**Signature:**

```typescript
export interface Enforcer 
```

## Methods

<table><thead><tr><th>

Method


</th><th>

Description


</th></tr></thead>
<tbody><tr><td markdown="1">

[buildRequest(authorizationContext)](./authorization.enforcer.buildrequest.md)


</td><td markdown="1">

Extract the request from authorization context


</td></tr>
<tr><td markdown="1">

[enforce(request)](./authorization.enforcer.enforce.md)


</td><td markdown="1">

Decide if the request can be granted access


</td></tr>
</tbody></table>