S3Client.listObjects(bucketName, [prefix])

import exec from 'k6/execution';

import { AWSConfig, S3Client } from 'https://jslib.k6.io/aws/0.11.0/s3.js';

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

const s3 = new S3Client(awsConfig);
const testBucketName = 'test-jslib-aws';
const testFileKey = 'bonjour.txt';

export default async function () {
  // List our bucket's objects
  const objects = await s3.listObjects(testBucketName);

  // If our test object does not exist, abort the execution.
  if (objects.filter((o) => o.key === testFileKey).length == 0) {
    exec.test.abort();
  }

  // ... work with the bucket's objects
  console.log(JSON.stringify(objects));
}