How to get AIF Service Full Exceptions Descriptions

gistfile1.txt

    try
    {
        /* CODE */
    }        
    }
    catch (System.ServiceModel.FaultException<DAXLIMSInteg.SalesService.AifFault> axe)
    {
        var errorMsg = new StringBuilder();                
        foreach (var item in axe.Detail.InfologMessageList)
        {
            errorMsg.AppendLine(string.Format("{0} - {1}", item.InfologMessageType, item.Message.Trim()));
        }
        
        /* GET ERROR MSG =    errorMsg.ToString(); */ 
    }