Index: branches/5.2.x/core/install/install_schema.sql
===================================================================
diff -u -N -r15246 -r15252
--- branches/5.2.x/core/install/install_schema.sql	(.../install_schema.sql)	(revision 15246)
+++ branches/5.2.x/core/install/install_schema.sql	(.../install_schema.sql)	(revision 15252)
@@ -117,6 +117,7 @@
   Description text,
   `Type` int(11) NOT NULL DEFAULT '0',
   LastChanged int(10) unsigned DEFAULT NULL,
+  BindToSystemEvent varchar(255) NOT NULL DEFAULT '',
   PRIMARY KEY (EventId),
   KEY `Type` (`Type`),
   KEY Enabled (Enabled),
@@ -139,6 +140,19 @@
   KEY l5_PlainTextBody (l5_PlainTextBody(5))
 );
 
+CREATE TABLE EmailEventSubscribers (
+  SubscriptionId int(11) NOT NULL AUTO_INCREMENT,
+  EmailEventId int(11) DEFAULT NULL,
+  SubscriberEmail varchar(255) NOT NULL DEFAULT '',
+  UserId int(11) DEFAULT NULL,
+  CategoryId int(11) DEFAULT NULL,
+  ItemId int(11) DEFAULT NULL,
+  ParentItemId int(11) DEFAULT NULL,
+  SubscribedOn int(11) DEFAULT NULL,
+  PRIMARY KEY (SubscriptionId),
+  KEY EmailEventId (EmailEventId)
+);
+
 CREATE TABLE IdGenerator (
   lastid int(11) default NULL
 );