Index: README.txt
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/invite/README.txt,v
retrieving revision 1.14.2.1
diff -u -p -r1.14.2.1 README.txt
--- README.txt	29 Jul 2010 00:58:30 -0000	1.14.2.1
+++ README.txt	1 Aug 2010 18:14:00 -0000
@@ -148,6 +148,7 @@ function hook_invite($op, $args) {
                       inviting.
     $args['roles']:   An array of roles the invited person has been escalated
                       to.
+    $args['code']:    The tracking code of the invitation.
    
   case 'cancel':
     Inviter has cancelled an invitation.
Index: invite.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/invite/invite.module,v
retrieving revision 1.25.2.17
diff -u -p -r1.25.2.17 invite.module
--- invite.module	1 Aug 2010 16:19:22 -0000	1.25.2.17
+++ invite.module	1 Aug 2010 18:14:00 -0000
@@ -528,7 +528,7 @@ function invite_process($invite, $accoun
   $roles = invite_target_roles($invite);
 
   // Allow other modules to act on the role escalation.
-  $args = array('invitee' => $account, 'inviter' => $invite->inviter, 'roles' => &$roles);
+  $args = array('invitee' => $account, 'inviter' => $invite->inviter, 'roles' => &$roles, 'code' => $invite->reg_code);
   module_invoke_all('invite', 'escalate', $args);
 
   return $roles;