This extension point allows binding a workbench perspective id to a set of workbench context id's. The bindings are used to activate workbench contexts (IContextActivation) every time the active workbench window changes its active perspective or the active workbench window is changed. This extension point exists because currently Eclipse core.commands framework only supports declarative filtering of menu options based on active context ids but not perspectives. A binding of a single perspective id to multiple context ids. The id of the perspective to bind. A comma-separated list of context ids to bind to the perspective id. [Enter the first release in which this extension point appears.] [Enter extension point usage example here.] [Enter API information here.] [Enter information about supplied implementation of this extension point.]