ArchestrA GRAccess Toolkit API - Part 1 Rev B is a 75-minute eLearning that explains how ArchestrA Galaxy configuration is exposed to .NET and COM clients through a programmable object model called GRAccess. The GRAccess object model allows you to write programs that automate the configuration of local and remote Galaxies using programming languages such as Visual Basic 6.0, C++, Visual Basic .NET, and Visual C#.