testapps/TestLayerServerless/Function.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Threading.Tasks;

using Amazon.Lambda.Core;
using Amazon.Lambda.APIGatewayEvents;

// Assembly attribute to enable the Lambda function's JSON input to be converted into a .NET class.
[assembly: LambdaSerializer(typeof(Amazon.Lambda.Serialization.Json.JsonSerializer))]

namespace TestLayerServerless
{
    public class Functions
    {
        public string ToUpper(string evnt, ILambdaContext context)
        {
            return evnt.ToUpper();
        }
    }
}