http://blogs.msdn.com/b/kalleb/archive/2009/07/22/how-to-build-your-own-custom-action-for-sharepoint-designer-2007.aspxWorkflows in SharePoint can be built using Visual Studio or SharePoint Designer. There are some advantages with doing it in Visual Studio and there are others with building it in SharePoint Designer. One of the biggest benefits in building a workflowenTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)