diff --git a/obj.go b/obj.go
index 02af8aa..7ad9c67 100644
--- a/obj.go
+++ b/obj.go
@@ -255,7 +255,7 @@ func objAddName(objID64 int64, name string) error {
 	return err
 }
 
-func addObjMsg(msgID64 int64, msgChatID64 int64, msgTGUserID64 int64, msgTGSenderUserID64 int64, msgDate time.Time, msgText string) (int64, error) {
+func addObjMsg(m ChatWarsMessage) (int64, error) {
 	tx, err := db.Begin()
 	logOnError(err, "addObjMsg : start transaction")
 	if err != nil {
@@ -286,26 +286,57 @@ func addObjMsg(msgID64 int64, msgChatID64 int64, msgTGUserID64 int64, msgTGSende
 	}
 	defer stmt.Close()
 
-	_, err = stmt.Exec(objId, msgID64, msgChatID64, msgTGUserID64, msgTGSenderUserID64, msgDate, msgText)
+	_, err = stmt.Exec(objId, m.ID64, m.ChatID64, m.TGUserID64, m.TGSenderUserID64, m.Date, m.Text)
 	if err != nil {
 		err2 := tx.Rollback()
 		logOnError(err2, "addObjMsg : rollback exec insert obj_msg")
 		return 0, err
 	}
 
+	if len(m.Callbacks) > 0 {
+		stmt2, err := tx.Prepare(`INSERT INTO obj_msg_callback	(obj_id, name, data)
+	                              VALUES						(?,      ?,    ?);`)
+		if err != nil {
+			err2 := tx.Rollback()
+			logOnError(err2, "addObjMsg : rollback prepare insert obj_msg_callback")
+			return 0, err
+		}
+		defer stmt2.Close()
+
+		for _, c := range m.Callbacks {
+			_, err = stmt2.Exec(objId, c.Name, c.Data)
+			if err != nil {
+				err2 := tx.Rollback()
+				logOnError(err2, "addObjMsg : rollback exec insert obj_msg_callback")
+				return 0, err
+			}
+		}
+	}
+
 	err = tx.Commit()
 	if err != nil {
 		return 0, err
 	}
 
-	m := new(ChatWarsMessage)
-	m.ObjID64 = objId
-	m.TGUserID64 = msgTGUserID64
-	m.TGSenderUserID64 = msgTGSenderUserID64
-	m.Date = msgDate
-	m.ID64 = msgID64
-	m.ChatID64 = msgChatID64
-	m.Text = msgText
+	msg := new(ChatWarsMessage)
+	msg.ObjID64 = objId
+	msg.TGUserID64 = m.TGUserID64
+	msg.TGSenderUserID64 = m.TGSenderUserID64
+	msg.Date = m.Date
+	msg.ID64 = m.ID64
+	msg.ChatID64 = m.ChatID64
+	msg.Text = m.Text
+	msg.Callbacks = []ChatWarsCallback{}
+
+	for _, c := range m.Callbacks {
+		cb := ChatWarsCallback{
+			Name: c.Name,
+			Data: c.Data,
+		}
+		msg.Callbacks = append(msg.Callbacks, cb)
+
+	}
+
 	cacheObjMsg.Store(objId, *m)
 
 	return objId, nil
diff --git a/sql.go b/sql.go
index 9afa1a9..092329b 100644
--- a/sql.go
+++ b/sql.go
@@ -169,6 +169,16 @@ func initDB() {
 	failOnError(err, "initDB : create table obj_msg")
 	log.Println("initDB : obj_msg created ...")
 
+	_, err = db.Exec(`CREATE TABLE obj_msg_callback (
+							 obj_id         BIGINT UNSIGNED NOT NULL
+							,name           VARCHAR(128) NOT NULL
+							,data           VARBINARY(256) NOT NULL
+							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
+							,UNIQUE KEY (obj_id, name)
+						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
+	failOnError(err, "initDB : create table obj_msg_callback")
+	log.Println("initDB : obj_msg_callback created ...")
+
 	_, err = db.Exec(`CREATE TABLE obj_msg_pillage_inc (
 							 obj_id			BIGINT UNSIGNED NOT NULL
 							,attacker		VARCHAR(32)