diff --git a/functions.php b/functions.php
index 7df0b0f1..c321e7de 100644
--- a/functions.php
+++ b/functions.php
@@ -7,8 +7,19 @@
  * @since rtPanel 2.0
  */
 
+/**
+ * Define Theme Version
+ */
 define( 'RTP_VERSION', '4.2' );
 
+/**
+ * Define Constant for the themes which developed using rtPanel.
+ * IMPORTANT: Do Not Remove OR Change This Constant
+ * 
+ * @since rtPanel 4.2
+ */
+define( 'RT_THEME_BASE', 'rtPanel' );
+
 /* Define Links */
 define( 'RTP_AUTHOR_URL', 'https://rtcamp.com/' );                      // Theme Author URL
 define( 'RTP_THEME_URL', RTP_AUTHOR_URL . 'rtpanel/' );                 // Theme URI