---
lang: en
title: 'API docs: rest.restserver.route_1'
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.restserver.route_1.html
---

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[Home](./index.md) &gt; [@loopback/rest](./rest.md) &gt; [RestServer](./rest.restserver.md) &gt; [route](./rest.restserver.route_1.md)

## RestServer.route() method

Register a new route invoking a handler function.

**Signature:**

```typescript
route(verb: string, path: string, spec: OperationObject, handler: Function): Binding;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  verb | string | HTTP verb of the endpoint |
|  path | string | URL path of the endpoint |
|  spec | OperationObject | The OpenAPI spec describing the endpoint (operation) |
|  handler | Function | The function to invoke with the request parameters described in the spec. |

**Returns:**

[Binding](./context.binding.md)

## Example


```ts
function greet(name: string) {
 return `hello ${name}`;
}
app.route('get', '/', operationSpec, greet);
```