class DynamoEventSource

Language	Type name
.NET	Amazon.CDK.AWS.Lambda.EventSources.DynamoEventSource
Go	github.com/aws/aws-cdk-go/awscdk/v2/awslambdaeventsources#DynamoEventSource
Java	software.amazon.awscdk.services.lambda.eventsources.DynamoEventSource
Python	aws_cdk.aws_lambda_event_sources.DynamoEventSource
TypeScript (source)	aws-cdk-lib » aws_lambda_event_sources » DynamoEventSource

Implements IEventSource

Extends StreamEventSource

Use an Amazon DynamoDB stream as an event source for AWS Lambda.

Example

import * as eventsources from 'aws-cdk-lib/aws-lambda-event-sources';
import * as dynamodb from 'aws-cdk-lib/aws-dynamodb';

declare const fn: lambda.Function;
const table = new dynamodb.Table(this, 'Table', {
  partitionKey: {
    name: 'id',
    type: dynamodb.AttributeType.STRING,
  },
  stream: dynamodb.StreamViewType.NEW_IMAGE,
});

fn.addEventSource(new eventsources.DynamoEventSource(table, {
  startingPosition: lambda.StartingPosition.LATEST,
  metricsConfig: {
    metrics: [lambda.MetricType.EVENT_COUNT],
  }
}));

Initializer

new DynamoEventSource(table: ITable, props: DynamoEventSourceProps)

Parameters

• table ITable
• props DynamoEventSourceProps

Properties

Name	Type	Description
eventSourceMappingArn	string	The ARN for this EventSourceMapping.
eventSourceMappingId	string	The identifier for this EventSourceMapping.

---

eventSourceMappingArn

Type: string

The ARN for this EventSourceMapping.

---

eventSourceMappingId

Type: string

The identifier for this EventSourceMapping.

Methods

Name	Description
bind(target)	Called by lambda.addEventSource to allow the event source to bind to this function.

---

bind(target)

public bind(target: IFunction): void

Parameters

• target IFunction

Called by lambda.addEventSource to allow the event source to bind to this function.