LRS和Tincan API中的自定义属性

{
  "actor": {
    "name": "John Doe",
    "mbox": "mailto:john.doe@example.com"
  },
  "verb": {
    "id": "http://adlnet.gov/expapi/verbs/completed",
    "display": {"en-US": "completed"}
  },
  "object": {
    "id": "http://example.edu/course/module1",
    "definition": {
      "name": {"en-US": "Module 1"},
      "description": {"en-US": "Introduction to Module 1"}
    }
  },
  "context": {
    "contextActivities": {
      "parent": [{
        "id": "http://example.edu/course",
        "definition": {
          "name": {"en-US": "Course Name"}
        }
      }]
    },
    "custom": {
      "courseSection": "Section A",
      "enrollmentDate": "2023-01-15"
    }
  }
}

{
  "actor": {
    "name": "John Doe",
    "mbox": "mailto:john.doe@example.com"
  },
  "verb": {
    "id": "http://adlnet.gov/expapi/verbs/completed",
    "display": {"en-US": "completed"},
    "extensions": {
      "http://example.edu/extensions/courseLevel": "Advanced"
    }
  },
  "object": {
    "id": "http://example.edu/course/module1",
    "definition": {
      "name": {"en-US": "Module 1"},
      "description": {"en-US": "Introduction to Module 1"}
    }
  }
}