diff --git a/resources/classes/database.php b/resources/classes/database.php
index 4a7e9b02d6..ba4843f233 100644
--- a/resources/classes/database.php
+++ b/resources/classes/database.php
@@ -22,6 +22,7 @@
 
 	Contributor(s):
 	Mark J Crane <markjcrane@fusionpbx.com>
+	Luis Daniel Lucio Quiroz <dlucio@okay.com.mx>
 */
 include "root.php";
 
@@ -341,6 +342,19 @@ include "root.php";
 					}
 			}
 
+			// Use this function to execute complex queries
+			public function execute(){
+					//echo $sql;
+					$prep_statement = $this->db->prepare($sql);
+					if ($prep_statement) {
+						$prep_statement->execute();
+						return $prep_statement->fetchAll(PDO::FETCH_ASSOC);
+					}
+					else {
+						return false;
+					}
+			}
+
 			public function add(){
 				//connect to the database if needed
 					if (!$this->db) {
@@ -568,4 +582,4 @@ if (!function_exists('php_right')) {
 	$database->add();
 	print_r($database->result);
 */
-?>
\ No newline at end of file
+?>