---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/embeddings/transformers_js/pooling/type-aliases/Pooled2D.md
description: 'A 2-D `[batch, hidden]` nested array (already-pooled vectors).'
---

# Type Alias: Pooled2D

```ts
type Pooled2D = number[][];
```

Defined in: [src/batteries/embeddings/transformers\_js/pooling.ts:23](https://github.com/NHTIO/ADK/blob/v1.20261003.0/src/src/batteries/embeddings/transformers_js/pooling.ts#L23)

A 2-D `[batch, hidden]` nested array (already-pooled vectors).