# Type Alias: TRPCBuiltRouter<TRoot, TRecord>

> 

> **TRPCBuiltRouter**\<`TRoot`, `TRecord`\>: `Router`\<`TRoot`, `TRecord`\> & `TRecord`

Defined in: [packages/server/src/unstable-core-do-not-import/router.ts:198](https://github.com/trpc/trpc/blob/7c907acfd8b31929214792e3b8c2ad7a8ac72563/packages/server/src/unstable-core-do-not-import/router.ts#L198)

A router as `t.router()` returns it, with its procedures and sub-routers
as properties.

## Type Parameters

| Type Parameter |
| ------ |
| `TRoot` *extends* [`AnyTRPCRootTypes`](https://trpc.io/docs/typedoc/server/index/type-aliases/AnyTRPCRootTypes.md) |
| `TRecord` *extends* [`TRPCRouterRecord`](https://trpc.io/docs/typedoc/server/index/interfaces/TRPCRouterRecord.md) |