how can get deletion or insertion notify realm inner list?

Question

i have ticket class and message class like below. i want set change listener just for inner message list in special ticket id no whole table message. i read about result and object changeListener and Notifications but i can't find any solution ;

how can I do that ?

public class TicketPojo extends RealmObject {

private Date createAt;
private Date updateAt;
@PrimaryKey
private int id;
private String supporterName;
private int supporterID;
RealmList<MessagePojo> messages;
 //....
 }

and

public class MessagePojo extends RealmObject {
@PrimaryKey
int id;
String messageType;
String Message;
Date createAt;
Date updateAt;
//...
}