User Guide# Documentation is split into four categories, also accessible from links in the side-bar. Tutorials Installation Tutorials for installation and typical usage. New users start here. How-to Guides Event Model Patterns Practical step-by-step guides for the more experienced user. Explanations About The Documentation Data Model External Assets Explanations of how the library works and why it works that way. Reference API Documentation Release History Index Technical reference material including APIs and release notes.