# ReplFnDefinition

**Kind:** Type

**Source:** [`packages/core/repl/repl.interfaces.ts`](https://github.com/nestjs/nest/blob/master/packages/core/repl/repl.interfaces.ts#L4)

**Part of:** [Core](subsystem-packages-core)

## Definition

```ts
{ name: string; aliases?: ReplFnDefinition['name'][]; description: string; signature: string; }
```