Type Alias DynamoDBStreamEvent

DynamoDBStreamEvent: {
    Records: {
        awsRegion: string;
        dynamodb: {
            ApproximateCreationDateTime?: number;
            Keys: Record<string, Record<string, any>>;
            NewImage?: Record<string, any>;
            OldImage?: Record<string, any>;
            SizeBytes: number;
        };
        eventID: string;
        eventName: "INSERT"
        | "MODIFY"
        | "REMOVE";
        eventSource: "aws:dynamodb";
        eventSourceARN: string;
        eventVersion: string;
        userIdentity?: { principalId: "dynamodb.amazonaws.com"; type: "Service" };
    }[];
}

Zod schema for Amazon DynamoDB Stream event.

Type declaration

  • Records: {
        awsRegion: string;
        dynamodb: {
            ApproximateCreationDateTime?: number;
            Keys: Record<string, Record<string, any>>;
            NewImage?: Record<string, any>;
            OldImage?: Record<string, any>;
            SizeBytes: number;
        };
        eventID: string;
        eventName: "INSERT"
        | "MODIFY"
        | "REMOVE";
        eventSource: "aws:dynamodb";
        eventSourceARN: string;
        eventVersion: string;
        userIdentity?: { principalId: "dynamodb.amazonaws.com"; type: "Service" };
    }[]

Example

{
  "Records": [
    {
      "eventID": "1",
      "eventVersion": "1.0",
      "dynamodb": {
        "ApproximateCreationDateTime": 1693997155.0,
        "Keys": {
          "Id": {
            "N": "101"
          }
        },
        "NewImage": {
          "Message": {
            "S": "New item!"
          },
          "Id": {
            "N": "101"
          }
        },
        "StreamViewType": "NEW_AND_OLD_IMAGES",
        "SequenceNumber": "111",
        "SizeBytes": 26
      },
      "awsRegion": "us-west-2",
      "eventName": "INSERT",
      "eventSourceARN": "eventsource_arn",
      "eventSource": "aws:dynamodb"
    },
    {
      "eventID": "2",
      "eventVersion": "1.0",
      "dynamodb": {
        "OldImage": {
          "Message": {
            "S": "New item!"
          },
          "Id": {
            "N": "101"
          }
        },
        "SequenceNumber": "222",
        "Keys": {
          "Id": {
            "N": "101"
          }
        },
        "SizeBytes": 59,
        "NewImage": {
          "Message": {
            "S": "This item has changed"
          },
          "Id": {
            "N": "101"
          }
        },
        "StreamViewType": "NEW_AND_OLD_IMAGES"
      },
      "awsRegion": "us-west-2",
      "eventName": "MODIFY",
      "eventSourceARN": "source_arn",
      "eventSource": "aws:dynamodb"
    }
  ]
}

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