# CustomParamFactory

**Kind:** Type

**Source:** [`packages/common/interfaces/features/custom-route-param-factory.interface.ts`](https://github.com/nestjs/nest/blob/master/packages/common/interfaces/features/custom-route-param-factory.interface.ts#L6)

**Part of:** [Common](subsystem-packages-common)

## Definition

```ts
( data: TData, context: ExecutionContext, ) => TOutput
```