interface HandlerConfig

Language	Type name
.NET	Amazon.CDK.AWS.AppSync.HandlerConfig
Go	github.com/aws/aws-cdk-go/awscdk/v2/awsappsync#HandlerConfig
Java	software.amazon.awscdk.services.appsync.HandlerConfig
Python	aws_cdk.aws_appsync.HandlerConfig
TypeScript (source)	aws-cdk-lib » aws_appsync » HandlerConfig

Handler configuration construct for onPublish and onSubscribe.

Example

declare const api: appsync.EventApi;
declare const ddbDataSource: appsync.AppSyncDynamoDbDataSource;
declare const ebDataSource: appsync.AppSyncEventBridgeDataSource;

// DynamoDB data source for publish handler
api.addChannelNamespace('ddb-eb-ns', {
  code: appsync.Code.fromInline('/* event handler code here.*/'),
  publishHandlerConfig: {
    dataSource: ddbDataSource,
  },
  subscribeHandlerConfig: {
    dataSource: ebDataSource,
  },
});

Properties

Name	Type	Description
dataSource?	AppSyncBackedDataSource	The Event Handler data source.
direct?	boolean	If the Event Handler should invoke the data source directly.
lambdaInvokeType?	LambdaInvokeType	The Lambda invocation type for direct integrations.

---

dataSource?

Type: AppSyncBackedDataSource (optional, default: no data source is used)

The Event Handler data source.

---

direct?

Type: boolean (optional, default: false)

If the Event Handler should invoke the data source directly.

---

lambdaInvokeType?

Type: LambdaInvokeType (optional, default: LambdaInvokeType.REQUEST_RESPONSE)

The Lambda invocation type for direct integrations.