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lang: en
title: 'API docs: socketio.socketioinvokemethod'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/extensions/socketio
permalink: /doc/en/lb4/apidocs.socketio.socketioinvokemethod.html
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[Home](./index.md) > [@loopback/socketio](./socketio.md) > [SocketIoInvokeMethod](./socketio.socketioinvokemethod.md)
## SocketIoInvokeMethod type
**Signature:**
```typescript
export type SocketIoInvokeMethod = (context: Context, controller: ControllerClass, methodName: string, args: unknown[]) => unknown;
```
**References:** [Context](./context.context.md)<!-- -->, [ControllerClass](./core.controllerclass.md)