The following link is the official documentation on business events development; there may be some differences since the time of writing:
- In the official guide, the buildContract is marked as replaceable and hookable. This is not required, or desirable. These attributes make it so we can use a pre-post event handler and also avoid the call to next when using a Chain of Command. Pre-post event handlers should be avoided if possible, and if we do want this to be replaceable, we should use a delegate instead, as this allows extensions to play nice with each other.
- The official guide places the contract initialization in the contract itself. This isn't uncommon, but it is much cleaner to leave the data contract as just data members. ...