# storageHasKey

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

***

[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) / storageHasKey

## Function: storageHasKey()

> **storageHasKey**(`key`): `boolean`

Checks for the existence of a value under the provided utf-8 string key in NEAR storage.

### Parameters

• **key**: `string`

The utf-8 string key to check for in storage.

### Returns

`boolean`

### Defined in

[packages/near-sdk-js/src/api.ts:319](https://github.com/near/near-sdk-js/blob/b58ac04fc6dff2f1120e9098c0cb059493486598/packages/near-sdk-js/src/api.ts#L319)