{
  "schemaVersion": 1,
  "entries": [
    {
      "name": "course_started",
      "description": "Learner session began for a course",
      "requiredFields": ["courseId", "sessionId", "timestamp"],
      "dataFields": [],
      "xapiVerb": "http://adlnet.gov/expapi/verbs/initialized",
      "urnPattern": "urn:lessonkit:course:{courseId}"
    },
    {
      "name": "course_completed",
      "description": "Course completion criteria met",
      "requiredFields": ["courseId", "sessionId", "timestamp"],
      "dataFields": [],
      "xapiVerb": "http://adlnet.gov/expapi/verbs/completed",
      "urnPattern": "urn:lessonkit:course:{courseId}"
    },
    {
      "name": "lesson_started",
      "description": "Lesson became active",
      "requiredFields": ["courseId", "lessonId", "sessionId", "timestamp"],
      "dataFields": ["lessonId"],
      "xapiVerb": "http://adlnet.gov/expapi/verbs/initialized",
      "urnPattern": "urn:lessonkit:course:{courseId}:lesson:{lessonId}"
    },
    {
      "name": "lesson_completed",
      "description": "Lesson marked complete",
      "requiredFields": ["courseId", "lessonId", "sessionId", "timestamp"],
      "dataFields": ["lessonId", "durationMs"],
      "xapiVerb": "http://adlnet.gov/expapi/verbs/completed",
      "urnPattern": "urn:lessonkit:course:{courseId}:lesson:{lessonId}"
    },
    {
      "name": "lesson_time_on_task",
      "description": "Time on task for a lesson (companion to lesson_completed)",
      "requiredFields": ["courseId", "lessonId", "sessionId", "timestamp"],
      "dataFields": ["lessonId", "durationMs"],
      "xapiVerb": "http://adlnet.gov/expapi/verbs/completed",
      "urnPattern": "urn:lessonkit:course:{courseId}:lesson:{lessonId}"
    },
    {
      "name": "quiz_answered",
      "description": "Learner submitted a quiz/check answer",
      "requiredFields": ["courseId", "lessonId", "sessionId", "timestamp"],
      "dataFields": ["checkId", "question", "choice", "correct"],
      "xapiVerb": "http://adlnet.gov/expapi/verbs/answered",
      "urnPattern": "urn:lessonkit:course:{courseId}:lesson:{lessonId}:check:{checkId}"
    },
    {
      "name": "quiz_completed",
      "description": "Quiz/check completed (e.g. first correct answer)",
      "requiredFields": ["courseId", "lessonId", "sessionId", "timestamp"],
      "dataFields": ["checkId", "score", "maxScore"],
      "xapiVerb": "http://adlnet.gov/expapi/verbs/completed",
      "urnPattern": "urn:lessonkit:course:{courseId}:lesson:{lessonId}:check:{checkId}"
    },
    {
      "name": "interaction",
      "description": "Custom interaction (branching, UI actions, blocks)",
      "requiredFields": ["courseId", "sessionId", "timestamp"],
      "dataFields": ["kind", "blockId", "payload"],
      "xapiVerb": "http://adlnet.gov/expapi/verbs/experienced",
      "urnPattern": "urn:lessonkit:course:{courseId}:lesson:{lessonId}:block:{blockId}"
    }
  ]
}