What does toolkit_artifact_guid mean in AWS?

Question

I am working on a .NET Core application for AWS. After reading this post, I added a file named "credentials" (without extension) in the folder: "C:\Users\Daan\". In this text file, the access key and the secret access key are both there. Unfortunately, the Credentials property is not set after running my code. Other properties such as Region and Profile are set correctly based on my appsettings file. What becomes clear is that my program modifies the credentials file by adding to the credentials file.

toolkit_artifact_guid=[A GUID]

Can someone explain me what this means and how I fix it? By fixing I mean that my credentials file is not modified but just read to set my credentials property of the awsoptions variable.

It is important to know that I created this file myself (not with the CLI), I double checked that the credentials are correct and that this is my code. Moreover, I do have .NET expierence but I just started working with AWS.

public void ConfigureServices(IServiceCollection services)
{
    services.AddMvc();
    var awsOptions = Configuration.GetAWSOptions();        
    services.AddDefaultAWSOptions(awsOptions);
    services.AddAWSService<Amazon.S3.IAmazonS3>();
}

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Answer 1

"toolkit_artifact_guid" could get populated in the "credentials" file due to 3rd party extensions and updates.

Most probably could be due to AWS Toolkit for Visual Studio.