Merge pull request #487 from sendgrid/singleemailmultiplerecipients

 Send a Single Email to Multiple Recipients example

Author: thinkingserious

USE_CASES.md

@@ -4,6 +4,7 @@ This documentation provides examples for specific use cases. Please [open an iss
 
 * [Email - Attachments](#attachments)
 * [Email - Kitchen Sink - an example with all settings used](#kitchensink)
+* [Email - Send a Single Email to Multiple Recipients](#singleemailmultiplerecipients)
 * [Email - Send a Single Email to a Single Recipient](#singleemailsinglerecipient)
 * [Email - Transactional Templates](#transactional_templates)
 
@@ -307,6 +308,52 @@ namespace Example
 }
 ```
 
+<a name="singleemailmultiplerecipients"></a>
+# Send a Single Email to Multiple Recipients
+
+```csharp
+using SendGrid;
+using SendGrid.Helpers.Mail;
+using System;
+using System.Threading.Tasks;
+using System.Collections.Generic;
+
+namespace Example
+{
+    internal class Example
+    {
+        private static void Main()
+        {
+            Execute().Wait();
+        }
+
+        static async Task Execute()
+        {
+            var apiKey = Environment.GetEnvironmentVariable("NAME_OF_THE_ENVIRONMENT_VARIABLE_FOR_YOUR_SENDGRID_KEY");
+            var client = new SendGridClient(apiKey);
+
+            var from = new EmailAddress("[email protected]", "Example User");
+            var tos = new List<EmailAddress>
+            {
+                new EmailAddress("[email protected]"),
+                new EmailAddress("[email protected]"),
+                new EmailAddress("[email protected]")
+            };
+            var subject = "Sending with SendGrid is Fun";
+            var plainTextContent = "and easy to do anywhere, even with C#";
+            var htmlContent = "<strong>and easy to do anywhere, even with C#</strong>";
+
+            var msg = MailHelper.CreateSingleEmailToMultipleRecipients(from,
+                                                                       tos,
+                                                                       subject,
+                                                                       plainTextContent,
+                                                                       htmlContent
+                                                                       );
+        }
+    }
+}
+```
+
 <a name="singleemailsinglerecipient"></a>
 # Send a Single Email to a Single Recipient