top-level-lambda Program.cs

Program.cs

using Amazon.Lambda.APIGatewayEvents;
using Amazon.Lambda.RuntimeSupport;
using Amazon.Lambda.Serialization.Json;

var handler = (APIGatewayProxyRequest apiGatewayProxyRequest) =>
{
    return apiGatewayProxyRequest?.QueryStringParameters?.Values ?? new string[0];
};

LambdaBootstrapBuilder lambdaBootstrapBuilder = LambdaBootstrapBuilder.Create(handler, new JsonSerializer());

LambdaBootstrap lambdaBootstrap = lambdaBootstrapBuilder.Build();

await lambdaBootstrap.RunAsync();