System.ServiceModel 4.0.0.0 System.Enum Use the with the to specify whether metadata is downloaded using an HTTP GET or WS-Transfer Get request. Specifies the exchange mode used to obtain metadata. Field 4.0.0.0 System.ServiceModel.Description.MetadataExchangeClientMode An HTTP GET request is used. Field 4.0.0.0 System.ServiceModel.Description.MetadataExchangeClientMode A WS-Transfer Get request is used.