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Home > @loopback/rest > RestApplication > mountExpressRouter
RestApplication.mountExpressRouter() method
Mount an Express router to expose additional REST endpoints handled via legacy Express-based stack.
Signature:
mountExpressRouter(basePath: string, router: ExpressRequestHandler, spec?: RouterSpec): void;
Parameters
| Parameter | Type | Description |
|---|---|---|
| basePath | string | Path where to mount the router at, e.g. / or /api. |
| router | ExpressRequestHandler | The Express router to handle the requests. |
| spec | RouterSpec | (Optional) A partial OpenAPI spec describing endpoints provided by the router. LoopBack will prepend basePath to all endpoints automatically. This argument is optional. You can leave it out if you don’t want to document the routes. |
Returns:
void