Hi All, In Last Two Series of Articles we have Discussed About Event & Subscriptions and Extensions. These Two will change the How we customize the Standard Navision Solution and How we use to Release the Standard Navision Solutions to Customers. I was thinking to Share My First Custom Solution as Event & Subscription, so Here it is one of the Most used tool to Report Usages. If you remember an Article From Mark Brummel For Save Report Usage. In this article We will discuss How we can customize the Change with Events & Subscriptions. How to Customize Solution In Previous Version of Navision Refer Mark Brummel Post Here .