> For the complete documentation index, see [llms.txt](https://near-sdk-js.gitbook.io/near-sdk-js/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://near-sdk-js.gitbook.io/near-sdk-js/api/functions/promisebatchthen.md).

# promiseBatchThen

[**api**](/near-sdk-js/api.md) • **Docs**

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[near-sdk-js v2.0.0](/near-sdk-js/packages.md) / [api](/near-sdk-js/api.md) / promiseBatchThen

## Function: promiseBatchThen()

> **promiseBatchThen**(`promiseIndex`, `accountId`): [`PromiseIndex`](/near-sdk-js/utils/type-aliases/promiseindex.md)

Attach a callback NEAR promise to a batch of NEAR promise actions.

### Parameters

• **promiseIndex**: [`PromiseIndex`](/near-sdk-js/utils/type-aliases/promiseindex.md)

The NEAR promise index of the batch.

• **accountId**: `string`

The account ID of the target contract.

### Returns

[`PromiseIndex`](/near-sdk-js/utils/type-aliases/promiseindex.md)

### Defined in

[packages/near-sdk-js/src/api.ts:556](https://github.com/near/near-sdk-js/blob/b58ac04fc6dff2f1120e9098c0cb059493486598/packages/near-sdk-js/src/api.ts#L556)