{
  "context": {},
  "event": {
    "Records": [
      {
        "awsRegion": "ap-northeast-1",
        "codecommit": {
          "references": [
            {
              "commit": "EXAMPLECOMMITID",
              "ref": "refs/heads/master"
            }
          ]
        },
        "eventId": "EXAMPLE-EVENT-ID",
        "eventName": "ReferenceChanges",
        "eventPartNumber": 1,
        "eventSource": "aws:codecommit",
        "eventSourceARN": "arn:aws:codecommit:ap-northeast-1:0123456789012:my-repo",
        "eventTime": "2020-07-25T14:47:00.000+0000",
        "eventTotalParts": 1,
        "eventTriggerConfigId": "EXAMPLE-CONFIG-ID",
        "eventTriggerName": "index.handler",
        "eventVersion": "1.0",
        "userIdentityARN": "arn:aws:iam::0123456789012:user/developer1"
      }
    ]
  }
}