public void GetDocuSignHistory(string envelopeid) { RetailSystemClient mrsClient = new RetailSystemClient(); mrsClient.Endpoint.Address = new System.ServiceModel.EndpointAddress(Internal.Utilities.GetMetriconRetailSystemWcfClientEndpointUrl()); mrsClient.DocuSign_GetEnvelopeHistoryCompleted += new EventHandler <DocuSign_GetEnvelopeHistoryCompletedEventArgs>(DocuSign_DocuSign_GetEnvelopeHistoryCompleted); mrsClient.DocuSign_GetEnvelopeHistoryAsync(envelopeid); }