Anatomy of Message
An event, along with a query or command, is a type of message:
- An event is something that has happened that your application needs to tell other applications about or
- A query is a message that retrieves information or
- A command instructs another application to do perform an action or change a state.
- An event is something that has happened that your application needs to tell other applications about or
- A query is a message that retrieves information or
- A command instructs another application to do perform an action or change a state.