5-lambda.ts

private createOutputLambda(): lambda.Function {
    const name = 'OutputLambda';

    return new lambda.Function(this, name, {
        functionName: name,
        runtime: lambda.Runtime.DOTNET_CORE_2_1,
        code: lambda.Code.asset('../src/appsync/bin/Release/netcoreapp2.1/publish'),
        handler: 'appsync::appsync.Function::FunctionHandler',
        timeout: cdk.Duration.seconds(15)
    });
}