diff --git a/Apollo/api/application/config/constants.php b/Apollo/api/application/config/constants.php
index 7554fb19..00f8fd93 100755
--- a/Apollo/api/application/config/constants.php
+++ b/Apollo/api/application/config/constants.php
@@ -163,6 +163,8 @@ defined('APPLICATION_CONST') OR define('APPLICATION_CONST','APPLICATION');
 // registration type constant
 defined('NEWREGISTRATION_CONST') OR define('NEWREGISTRATION_CONST','New Registration');
 defined('RE_REGISTRATION_CONST') OR define('RE_REGISTRATION_CONST','Re-registration');
+// define DMC constant name
+defined('DMC_CONST') OR define('DMC_CONST','DMC');
 
 
 
@@ -171,3 +173,4 @@ defined('RE_REGISTRATION_CONST') OR define('RE_REGISTRATION_CONST','Re-registrat
 //encripted password  -> md5 
 defined('ENCR_PASSWORD') OR define('ENCR_PASSWORD','e99a18c428cb38d5f260853678922e03');
 //end of encripted password
+