aws-cdk-lib.aws_appsync.HandlerConfig

HandlerConfig Struct

Handler configuration construct for onPublish and onSubscribe.

Source

aws-appsync/lib/channel-namespace.ts

Type last changed

v2.193.0 · 30 Apr 2025

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

dataSource?optionalAppSyncBackedDataSourcedata_source?optionalAppSyncBackedDataSourcedataSource?optionalAppSyncBackedDataSourceDataSource?optionalAppSyncBackedDataSourceDataSource?optionalAppSyncBackedDataSource#

The Event Handler data source.

Default: no data source is used

direct?optionalbooleandirect?optionalbooldirect?optionalBooleanDirect?optionalboolDirect?optional*bool= false#

If the Event Handler should invoke the data source directly.

lambdaInvokeType?optionalLambdaInvokeTypelambda_invoke_type?optionalLambdaInvokeTypelambdaInvokeType?optionalLambdaInvokeTypeLambdaInvokeType?optionalLambdaInvokeTypeLambdaInvokeType?optionalLambdaInvokeType#

The Lambda invocation type for direct integrations.

Default: LambdaInvokeType.REQUEST_RESPONSE