// DocumentNOW V2 SubmitWithFile example  // force TLS 1.2 if .net < 4.6 ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12;  Guid accountContextID = new Guid(<fromYourAccount>); Guid templateID = new Guid(<yourTemplateId>);      // assuming we set the namespace on the service proxy to DocNow ... // there are multiple bindings for submit, so pass in whichever you want to use DocNow.SubmitServiceClient submitter = new DocNow.SubmitServiceClient("BasicHttpBinding_ISubmitService");      DocNow.FileDocument doc = new DocNow.FileDocument(); doc.ContextIdentifier = accountContextID; doc.Template = new DocNow.Template(); doc.Template.Id = templateID; doc.Metadata = new DocNow.Metadata(); doc.Metadata.UserName = "me@mydomain.com"; doc.Metadata.DocumentName = "testing" + DateTime.Today.Ticks.ToString(); // omit this if an EnvelopeId is specified doc.Metadata.ExpirationDate = DateTime.Today.AddDays(5);   // if this document exists in an envelope created by CreatEnvelope, pass an EnvelopeId // doc.Metadata.EnvelopeId = envelopeID; // doc.Metadata.EnvelopeIdSpecified = true;  // template parameters will be relative to the template you are using, this is just an example  doc.Template.Parameters = new DocNow.Parameter[4];  doc.Template.Parameters[0] = new DocNow.Parameter();  doc.Template.Parameters[1] = new DocNow.Parameter();  doc.Template.Parameters[2] = new DocNow.Parameter();  doc.Template.Parameters[3] = new DocNow.Parameter();  doc.Template.Parameters[0].Name = "Signatory 1 Email Address";  doc.Template.Parameters[0].Value = "mysigner@mydomain.com";  doc.Template.Parameters[1].Name = "Signatory 1 First Name";  doc.Template.Parameters[1].Value = "John";  doc.Template.Parameters[2].Name = "Signatory 1 Last Name";  doc.Template.Parameters[2].Value = "Doe";  doc.Template.Parameters[3].Name = "Passed in data";  doc.Template.Parameters[3].Value = "xxxxxxxxxxxxxxx";   string docPath = "C:\yourdocument.docx";  byte[] bytes = File.ReadAllBytes(docPath);  doc.UnderlyingFile = new DocNow.UnderlyingFile(); doc.UnderlyingFile.Data = bytes;  doc.UnderlyingFile.FileType = DocNow.SupportedFileType.DOCX; //adjust appropriately   DocNow.DocumentResult[] results = submitter.SubmitWithFile(new DocNow.FileDocument[] { doc });   if (results.Length > 0)  {      if (results[0].Exceptions != null)      {  	StringBuilder sb = new StringBuilder();          foreach (DocNow.DocumentException exception in results[0].Exceptions)          {              sb.AppendFormat("{0} : {1}{2}", exception.Severity.ToString(), exception.Value, Environment.NewLine);          }          Console.WriteLine(sb.ToString());      }      else      {          // documentID will be results[0].Id;          // authtoken for the document will be results[0].AuthToken;      }  }