Sometimes one design pattern is enough to capture the experience related to one particular topic.
And sometimes, multiple patterns inter-relate to define various aspects of the problem domain. The sum of those interconnected patterns is named a pattern language. And this is exactly the title of Christopher Alexander’s book, the one who in 1977 introduced the idea of patterns to the world.
Dynamics NAV introduced events, and they...
Continued on Source: Design Pattern: Discovery Event | Dynamics NAV Team Blog