GXflow is made up of three components: GeneXus Process Modeler, the Workflow Engine and the Inbox, the last two of which are included in the Business Object.
GeneXus Process Modeler is a graph interface based in the formalism of the case use and activity diagrams developed as standards by UML, which is used to represent the processes in the company.
The new features included in this version are Model Deadlines at task level, Impact trace and improvements to the Business Object.
More information at: http://www.genexus.com/forum/workflow.htm