invoke a lambda in csharp

To invoke an AWS Lambda function in C# using the AWS SDK, follow these steps:

1. Install the AWS SDK for .NET via NuGet Package Manager in your C# project.
2. Create an instance of the AmazonLambdaClient class, passing in your AWS access key, secret key, and region.
3. Create a InvokeRequest object and populate it with the necessary properties, such as the function name and input data.
4. Call the InvokeAsync method of the AmazonLambdaClient class, passing in the InvokeRequest object.
5. Retrieve the results from the InvokeResponse object returned from the InvokeAsync method.

Here's an example implementation:

main.cs
using Amazon.Lambda;
using Amazon.Lambda.Model;

public async Task InvokeLambdaFunctionAsync(string functionName, string inputData)
{
    var lambdaClient = new AmazonLambdaClient(accessKey, secretKey, region);

    var request = new InvokeRequest
    {
        FunctionName = functionName,
        Payload = inputData
    };

    var response = await lambdaClient.InvokeAsync(request);

    // process response here
    // retrieve output data from response.Payload
}
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Note: This code assumes you have AWS credentials and a region properly set up in your environment or through IAM Roles.