lectern.click

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Existing quiz id (omit to create)"
    },
    "prompt": {
      "type": "string",
      "description": "Question prompt; Markdown + $math$ / $$display$$ supported"
    },
    "choices": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Answer choices (at least 2)"
    },
    "choiceMedia": {
      "type": "array",
      "description": "Optional media cards aligned to choices; use lectern_attach_quiz_choice_media after creation for generated images."
    },
    "answerIndex": {
      "type": "number",
      "description": "0-based index of the correct choice"
    },
    "explanation": {
      "type": "string",
      "description": "Why the answer is correct"
    },
    "order": {
      "type": "number",
      "description": "Display order"
    },
    "sectionId": {
      "type": "string",
      "description": "Optional section id: place this check after that section. Omit for the end-of-lesson “Check for understanding” block."
    }
  },
  "required": [
    "prompt",
    "choices",
    "answerIndex"
  ],
  "additionalProperties": false
}