---
meta:
 - name: keywords
   description: api typescript node.js documentation ConfigSourceOnChangeCB type
---
# ConfigSourceOnChangeCB - @tsed/config

## Usage

```typescript
import { ConfigSourceOnChangeCB } from "@tsed/config/src/interfaces/ConfigSource";
```

> See [/packages/config/src/interfaces/ConfigSource.ts](https://github.com/tsedio/tsed/blob/v8.27.0/packages/config/src/interfaces/ConfigSource.ts#L0-L0).

## Overview

```ts
type ConfigSourceOnChangeCB = () => Promise<void>;
```