SAP Business One DI Event Service runs on top of the existing SAP Business One SDK interfaces and provides notification of events related to SAP Business One DI API objects through a listener-based interface.

Learn how to define and implement that service. Together with this article you can download a setup and an implementation sample. The development environment chosen is .NET, for both C# and VB.NET programming languages.

You can download the source code of the B1DIEventService and also the installation packages of the B1DIEventService for SAP Business One versions 2004 ,2005 and 2007. For each setup version you have the setup for the client and server installation.