code snippet that shows how to request a signing URL for a recipient

getRecipientView.cs

RecipientViewRequest viewOptions = new RecipientViewRequest()
{
	ReturnUrl = "https://www.docusign.com/devcenter",
	ClientUserId = "1234",  // must match clientUserId set in step #2!
	AuthenticationMethod = "email",
	UserName = "[SIGNER_NAME]",
	Email = "[SIGNER_EMAIL]"
};

// create the recipient view (aka signing URL)
ViewUrl recipientView = envelopesApi.CreateRecipientView(accountId, "[ENVELOPE_ID]", viewOptions);

// print the JSON response
Console.WriteLine("ViewUrl:\n{0}", JsonConvert.SerializeObject(recipientView));

// Start the embedded signing session
System.Diagnostics.Process.Start(recipientView.Url);