using (var svc = new LoyaltyService.LoyaltyProductClient())
{
var request = new LoyaltyService.ManagementGroupRequestOfProductSetFeaturedImage();
request.Token = "Token";
request.ManagementGroup = "Management group";
var setFeaturedImage = new LoyaltyService.ProductSetFeaturedImage();
setFeaturedImage.ProductRSN = new Guid("873b8a01-0f29-445c-85e0-97aa1e1dc7e2");;
setFeaturedImage.ImageRSN = new Guid("d7c62984-b99e-47e9-bf1f-ef71ae547e14");;
request.Value = setFeaturedImage;
LoyaltyService.Result result = svc.SetProductFeaturedImage(request);
if (result.FaultCode == 0)
{
}
else
{
throw new Exception(result.FaultDescription);
}
}