diff --git a/README.md b/README.md
index 8a17cac1..1e69648e 100644
--- a/README.md
+++ b/README.md
@@ -175,6 +175,42 @@ try {
 ?>
 ````
 
+## Add comment
+
+````php
+<?php
+require 'vendor/autoload.php';
+
+use JiraRestApi\Issue\IssueService;
+use JiraRestApi\Issue\Comment;
+
+$issueKey = "TEST-879";
+
+try {			
+	$comment = new Comment();
+
+	$body = <<<COMMENT
+Adds a new comment to an issue.
+* Bullet 1
+* Bullet 2
+** sub Bullet 1
+** sub Bullet 2
+* Bullet 3
+COMMENT;
+	$comment->setBody($body)
+		->setVisibility('role', 'Users');
+	;
+
+	$issueService = new IssueService();
+	$ret = $issueService->addComment($issueKey, $comment);
+	print_r($ret);
+} catch (JIRAException $e) {
+	$this->assertTrue(FALSE, "add Comment Failed : " . $e->getMessage());
+}
+
+?>
+````
+
 # License
 
 Apache V2 License
diff --git a/src/config.jira.example.php b/src/config.jira.example.php
new file mode 100644
index 00000000..6603b1c3
--- /dev/null
+++ b/src/config.jira.example.php
@@ -0,0 +1,19 @@
+<?php
+
+function getConfig() {
+    return array(
+        // JIRA Host config
+        'host' => 'https://jira.example.com',
+        'username' => 'username',
+        'password' => 'password',
+
+        // Options
+        'CURLOPT_SSL_VERIFYHOST' => false,
+        'CURLOPT_SSL_VERIFYPEER' => false,	
+        'CURLOPT_VERBOSE' => true,
+        'LOG_FILE' => 'QQjira-rest-client.log',
+        'LOG_LEVEL' => 'DEBUG'
+    );
+}
+
+?>
diff --git a/src/issue/Comment.php b/src/issue/Comment.php
new file mode 100644
index 00000000..ed5b0e20
--- /dev/null
+++ b/src/issue/Comment.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace JiraRestApi\Issue;
+
+class Visibility {
+	public $type;
+	public $value;
+}
+
+class Comment implements \JsonSerializable {
+	/* @var string */
+	public $self;
+
+	/* @var string */
+	public $id;
+
+	/* @var Reporter */
+	public $author;
+
+	/* @var string */
+	public $body;
+
+	/* @var Reporter */
+	public $updateAuthor;
+
+	/* @var DateTime */
+	public $created;
+
+	/* @var DateTime */
+	public $updated;
+
+	/* @var Visibility */
+	public $visibility;
+
+	public function setBody($body) {
+		$this->body = $body;
+       	return $this;
+    }
+
+    public function setVisibility($type, $value) {
+    	if (is_null($this->visibility))
+    		$this->visibility = array();
+
+		$this->visibility['type'] = $type;
+		$this->visibility['value'] = $value;
+       	return $this;
+    }
+ 
+	public function jsonSerialize()
+   {
+      return array_filter(get_object_vars($this));
+   }
+}
+
+?>
\ No newline at end of file
diff --git a/src/issue/Comments.php b/src/issue/Comments.php
index fa01cc88..2b3106ab 100644
--- a/src/issue/Comments.php
+++ b/src/issue/Comments.php
@@ -2,34 +2,6 @@
 
 namespace JiraRestApi\Issue;
 
-class Comment implements \JsonSerializable {
-	/* @var string */
-	public $self;
-
-	/* @var string */
-	public $id;
-
-	/* @var Reporter */
-	public $author;
-
-	/* @var string */
-	public $body;
-
-	/* @var Reporter */
-	public $updateAuthor;
-
-	/* @var DateTime */
-	public $created;
-
-	/* @var DateTime */
-	public $updated;
-
-	public function jsonSerialize()
-   {
-      return array_filter(get_object_vars($this));
-   }
-}
-
 class Comments implements \JsonSerializable {	
 	/* @var int */
     public $startAt;
diff --git a/src/issue/IssueService.php b/src/issue/IssueService.php
index d81be9dd..196fa077 100644
--- a/src/issue/IssueService.php
+++ b/src/issue/IssueService.php
@@ -97,6 +97,30 @@ public function update($issueIdOrKey, $issueField) {
 
         return $ret;
     }
+
+    /**
+     * Adds a new comment to an issue.
+     * 
+     * @param issueIdOrKey Issue id or key
+     * @param comment .
+     * 
+     * @return Comment class
+     */
+    public function addComment($issueIdOrKey, $comment) {
+       
+        $this->log->addInfo("addComment=\n");
+
+        $data = json_encode($comment);
+        
+        $ret = $this->exec($this->uri . "/$issueIdOrKey/comment", $data);
+
+        $this->log->addDebug("add comment result=" . var_export($ret, true));
+        $comment = $this->json_mapper->map(
+           json_decode($ret), new Comment()
+        );
+
+        return $comment;
+    }
 }
 
 ?>
diff --git a/tests/IssueTest.php b/tests/IssueTest.php
index 49ec1135..7809a554 100644
--- a/tests/IssueTest.php
+++ b/tests/IssueTest.php
@@ -2,6 +2,7 @@
 
 use JiraRestApi\Issue\IssueService;
 use JiraRestApi\Issue\IssueField;
+use JiraRestApi\Issue\Comment;
 
 class IssueTest extends PHPUnit_Framework_TestCase 
 {
@@ -86,7 +87,7 @@ public function testUpdateIssue($issueKey)
 		try {			
 			$issueField = new IssueField(true);
 
-			$issueField->setAssigneeName("admin")
+			$issueField->setAssigneeName("lesstif")
 						->setPriorityName("Major")
 						->setIssueType("Task")
 						->addLabel("test-label-first")
@@ -99,11 +100,44 @@ public function testUpdateIssue($issueKey)
 			$issueService = new IssueService();
 
 			$issueService->update($issueKey, $issueField);
+
+			return $issueKey;
 		} catch (JIRAException $e) {
 			$this->assertTrue(FALSE, "update Failed : " . $e->getMessage());
 		}
 	}
 
+	/**
+     * @depends testUpdateIssue
+     * 
+     */
+	public function testAddcommnet($issueKey)
+    {
+    	//$this->markTestIncomplete();
+		try {			
+			$comment = new Comment();
+
+			$body = <<<COMMENT
+Adds a new comment to an issue.
+* Bullet 1
+* Bullet 2
+** sub Bullet 1
+** sub Bullet 2
+COMMENT;
+			$comment->setBody($body)
+				->setVisibility('role', 'Users');
+			;
+
+			$issueService = new IssueService();
+			$ret = $issueService->addComment($issueKey, $comment);
+			print_r($ret);
+
+			return $issueKey;
+		} catch (JIRAException $e) {
+			$this->assertTrue(FALSE, "add Comment Failed : " . $e->getMessage());
+		}
+	}
+
 }
 
 ?>