d4pExercise The d4pExercise topic type represents an exercise within a training course or workshop. d4pExercise specializes from learningContent. Nested topic types allowed are learningAssessment, learningSummary, and task. Inheritance - topic/topic learningBase/learningBase learningContent/learningContent d4pExercise/d4pExercise d4pExerciseBody