Note: Together Whiteboard enables limited support for modular API extensions.
Together is highly extensible through an open Java API. You can extend Together's capabilities by developing Building Blocks that plug into the Together Platform as modules. Some of Together's features... Rose Import/Export and Documentation Generation, for example... are implemented as Building Block modules via the API (these are called System modules). You can view and run modules using the Modules tab of the Explorer.
Complete technical reference documentation for the Together API is provided separately from Help documentation. See $TOGETHER_HOME$/doc/api/index.html.
See also:
User's Guide: Working with Modules