In the Amazon Selling Partner Network you will find the Develop APPs link

These are all the fields required to access the Amazon API
AmazonConnection = new AmazonConnection(new AmazonCredential()
{
AccessKey = {accessKey},
SecretKey = {secretKey},
RoleArn = {roleArn },
ClientId = {clientID},
ClientSecret = {clientSecret},
RefreshToken = {refreshToken},
MarketPlace = MarketPlace.US,
//Environment = Environments.Sandbox
});

Access key and secret key will be created for the user during initial setup on AWS
The role you will be using to configure the connector will be the one you created during initial setup

To Client ID/Client Secret select the view link to view all LWA credentials
This will be found in the same place you registered the developer application in ASC/AVC

This will be found by selecting the drop-down and selecting authorize

You can select authorize app and a refresh token will be generated
