async / await with AWS Lambda

AsyncAwaitLambda.cs

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

using Amazon.Lambda.Core;
using Amazon.Lambda.Serialization;

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

namespace SimpleAsyncFunction
{
    public class Function
    {
        
        /// <summary>
        /// A simple function that takes a string and does a ToUpper
        /// </summary>
        /// <param name="input"></param>
        /// <param name="context"></param>
        /// <returns></returns>
        public async Task<string> FunctionHandlerAsync(string input, ILambdaContext context)
        {
            // You can check where these log will be written with LogGroup or StreamName in ILambdaContext
            context.Logger.LogLine($"Logs will be write to following. {nameof(context.LogGroupName)} : {context.LogGroupName}, {nameof(context.LogStreamName)} : {context.LogStreamName}");

            return input.ToUpper();
        }
    }
}