From 449431b5c1a27ef59ea2f4c5e99a8aa7e120daf3 Mon Sep 17 00:00:00 2001
From: Travis Swientek <travis@tswientek.com>
Date: Sat, 3 Aug 2013 14:56:38 -0700
Subject: [PATCH] Added tagging ability to MessageBuilder

---
 src/Mailgun/Messages/MessageBuilder.php | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/Mailgun/Messages/MessageBuilder.php b/src/Mailgun/Messages/MessageBuilder.php
index 961a956..d4709e9 100644
--- a/src/Mailgun/Messages/MessageBuilder.php
+++ b/src/Mailgun/Messages/MessageBuilder.php
@@ -17,6 +17,7 @@ class MessageBuilder extends Messages{
 	protected $attachmentCount = 0;
 	protected $campaignIdCount = 0;
 	protected $customOptionCount = 0;
+	protected $tagCount = 0;
 	protected $httpBroker;
 	
 	public function __construct($httpBroker){
@@ -228,6 +229,22 @@ class MessageBuilder extends Messages{
 		}
 	}
 	
+	public function addTag($tag){
+		if($this->tagCount < 3){
+			if(isset($this->message['o:tag'])){
+				array_push($this->message['o:tag'] , $tag);
+			}
+			else{
+				$this->message['o:tag'] = array($tag);
+			}
+			$this->tagCount++;
+		return true;	
+		}
+		else{
+			throw new TooManyParameters("You've exceeded the maximum (3) tags for a single message.");
+		}
+	}
+	
 	public function setDkim($enabled){
 		if(filter_var($enabled, FILTER_VALIDATE_BOOLEAN)){
 			$enabled = "yes";