# ParamsMetadata

**Kind:** Type

**Source:** [`packages/core/helpers/interfaces/params-metadata.interface.ts`](https://github.com/nestjs/nest/blob/master/packages/core/helpers/interfaces/params-metadata.interface.ts#L3)

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

## Definition

```ts
Record<number, ParamMetadata>
```

## Relationships

- IMPORTS → `ParamData`

## Used by

3 references from 3 files. Each is a place in this repository where the symbol is actually used — go read one rather than trusting an example.

### Imported by (3)

- `RpcHandlerMetadata` — `packages/microservices/context/rpc-context-creator.ts`:35
- `WsHandlerMetadata` — `packages/websockets/context/ws-context-creator.ts`:34
- `MessageMappingProperties` — `packages/websockets/gateway-metadata-explorer.ts`:15