aws cloudwatch event rule on multiple s3 files

how to create cloudwatch event rule which will be triggered on creation of multiple s3 files. Shall we use multiple key prefix in event pattern?

{
  "detail": {
    "eventName": [
      "PutObject"
    ],
    "eventSource": [
      "s3.amazonaws.com"
    ],
    "requestParameters": {
      "bucketName": [
        "bucket name here"
      ],
      "key": [
        {
          "prefix": "prefix1 here/filename1.txt"
        },
        {
          "prefix": "prefix2 here/filename2.txt"
        }
      ]
    }
  },
  "detail-type": [
    "AWS API Call via CloudTrail"
  ],
  "source": [
    "aws.s3"
  ]
}