To create an AWS Lambda function that calls a REST endpoint, you can use the HttpClient class in the .NET Framework to send an HTTP request to the endpoint. Here’s an example of how you can do this in C#:

Copy codeusing System.Net.Http;

public class LambdaFunction
{
    public async Task<string> FunctionHandler(object input, ILambdaContext context)
    {
        using (HttpClient client = new HttpClient())
        {
            // Set the base address and the headers for the request
            client.BaseAddress = new Uri("http://example.com");
            client.DefaultRequestHeaders.Accept.Clear();
            client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

            // Send the request and wait for the response
            HttpResponseMessage response = await client.GetAsync("/endpoint");
            response.EnsureSuccessStatusCode();
            string responseContent = await response.Content.ReadAsStringAsync();

            // Return the response content
            return responseContent;
        }
    }
}

This code uses the HttpClient class to send an HTTP GET request to the specified endpoint and retrieves the response content as a string. You can modify the request and the response handling as needed to meet the requirements of your application.

I hope this helps! Let me know if you have any other questions or if there’s anything else I can do to assist.

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