---
title: "listKeys | Grafana k6 documentation"
description: "KMSClient.listKeys lists all the KMS keys in the caller's AWS account and region"
---

> For a curated documentation index, see [llms.txt](/llms.txt). For the complete documentation index, see [llms-full.txt](/llms-full.txt).

# listKeys

`KMSClient.listKeys()` lists all the Key Management Service keys in the caller’s AWS account and region.

### Returns

Expand table

| Type                                                                                     | Description                                                                                                              |
|------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------|
| Promise< [KMSKey\[\]](/docs/k6/latest/javascript-api/jslib/aws/kmsclient/kmskey/)> | A Promise that fulfills with an array of [`KMSKey`](/docs/k6/latest/javascript-api/jslib/aws/kmsclient/kmskey/) objects. |

### Example

JavaScript ![Copy code to clipboard](/media/images/icons/icon-copy-small-2.svg) Copy

```javascript
import exec from 'k6/execution';

import {
  AWSConfig,
  KMSClient,
} from 'https://jslib.k6.io/aws/0.14.0/kms.js';

const awsConfig = new AWSConfig({
  region: __ENV.AWS_REGION,
  accessKeyId: __ENV.AWS_ACCESS_KEY_ID,
  secretAccessKey: __ENV.AWS_SECRET_ACCESS_KEY,
});

const kms = new KMSClient(awsConfig);
const testKeyId = 'e67f95-4c047567-4-a0b7-62f7ce8ec8f48';

export default async function () {
  // List the KMS keys the AWS authentication configuration
  // gives us access to.
  const keys = await kms.listKeys();

  // If our test key does not exist, abort the execution.
  if (keys.filter((b) => b.keyId === testKeyId).length == 0) {
    exec.test.abort();
  }
}
```

*A k6 script querying the user’s Key Management Service keys and verifying their test key exists*