# SubagentRouterPick

```ts
type SubagentRouterPick = 
  | "main"
  | string
  | ReadonlyArray<string>
  | SubagentRouterPlan
  | SubagentStepsPlan;
```

Defined in: [packages/ai/src/activities/chat/agents/spawn.ts:54](https://github.com/TanStack/ai/blob/main/packages/ai/src/activities/chat/agents/spawn.ts#L54)