{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "type": "object",
  "name": "Course",
  "description": "A description of an educational course which may be offered as distinct instances.",
  "properties": {
    "type": { "type": "string" },
    "context": { "type": "string" },
    "name": { "type": "string" },
    "description": { "type": "string" },
    "url": { "type": "string" },
    "image": { "type": "string" },
    "provider": { "type": { "$ref": "schema-org-organization.json" } },
    "courseCode": { "type": "string" },
    "coursePrerequisites": { "type": "array", "items": { "type": "string" } },
    "educationalLevel": { "type": "string" },
    "educationalCredentialAwarded": { "type": "string" },
    "numberOfCredits": { "type": "int32" },
    "hasCourseInstance": { "type": "array", "items": { "type": { "$ref": "#/definitions/CourseInstance" } } },
    "about": { "type": "string" },
    "inLanguage": { "type": "string" },
    "teaches": { "type": "array", "items": { "type": "string" } },
    "totalHistoricalEnrollment": { "type": "int32" },
    "financialAidEligible": { "type": "string" },
    "availableLanguage": { "type": "array", "items": { "type": "string" } },
    "aggregateRating": { "type": { "$ref": "schema-org-aggregate-rating.json" } },
    "review": { "type": "array", "items": { "type": { "$ref": "schema-org-review.json" } } },
    "offers": { "type": "array", "items": { "type": { "$ref": "schema-org-offer.json" } } },
    "sameAs": { "type": "array", "items": { "type": "string" } }
  },
  "required": ["name"],
  "definitions": {
    "CourseInstance": {
      "type": "object",
      "name": "CourseInstance",
      "properties": {
        "type": { "type": "string" },
        "name": { "type": "string" },
        "courseMode": { "type": "string" },
        "courseWorkload": { "type": "string" },
        "instructor": { "type": { "$ref": "schema-org-person.json" } },
        "startDate": { "type": "date" },
        "endDate": { "type": "date" },
        "location": { "type": { "$ref": "schema-org-place.json" } }
      }
    }
  }
}