Allow human readable documentation to be added to a activity configuration file. Configuration information for an activity. Extension point to allow arbitrary XML content. Provides the base location URL for all activity maps contained in this element Provides information about an XML Schema describing an activity and the implementation (class) for that activity. name - the name of the activity (optional as can be obtained from schema) implementation - the class that implements the activity schemaFileName - the XML schema that describes the activity. Provides the URL for the base perform document schema