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lang: en
title: 'API docs: rest.getpathvariables'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/rest
permalink: /doc/en/lb4/apidocs.rest.getpathvariables.html
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[Home](./index.md) > [@loopback/rest](./rest.md) > [getPathVariables](./rest.getpathvariables.md)
## getPathVariables() function
Get all path variables. For example, `/root/{foo}/bar` =<!-- -->> `['foo']`
<b>Signature:</b>
```typescript
export declare function getPathVariables(path: string): RegExpMatchArray | null;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| path | string | |
<b>Returns:</b>
RegExpMatchArray \| null