# promiseBatchThen

[**api**](https://near-sdk-js.gitbook.io/near-sdk-js/api) • **Docs**

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[near-sdk-js v2.0.0](https://near-sdk-js.gitbook.io/near-sdk-js/packages) / [api](https://near-sdk-js.gitbook.io/near-sdk-js/api) / promiseBatchThen

## Function: promiseBatchThen()

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

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

### Parameters

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

The NEAR promise index of the batch.

• **accountId**: `string`

The account ID of the target contract.

### Returns

[`PromiseIndex`](https://near-sdk-js.gitbook.io/near-sdk-js/utils/type-aliases/promiseindex)

### 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)