Processing the Output Data

// Extract the user's GUID from the lookupUser response message
// Set a default value for userGUID to display if the user is not found
//
userGUID = "unknown user";
// Iterate through the list of returned detail elements. (The list should only
// contain a single response
//
for (var iterator = lookupUserResponse.detail.listIterator();iterator.hasNext();)
{
   // Populate userDetail with the current user's details
   userDetail = iterator.next();
   // Extract the current user's GUID
   userGUID = userDetail.guid;
}