{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://cdn.jsdelivr.net/npm/@pie-element/fraction-model@7.0.6/dist/schemas/session.schema.json",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Identifier of the session"
    },
    "element": {
      "type": "string",
      "description": "The element the session belongs to"
    },
    "answers": {
      "$ref": "#/definitions/FractionModelAnswers",
      "description": "What the student entered; absent until the element first renders"
    }
  },
  "definitions": {
    "FractionModelAnswers": {
      "type": "object",
      "properties": {
        "response": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/FractionModelResponse"
          },
          "description": "The parts the student selected, one entry per model with a selection"
        },
        "noOfModel": {
          "anyOf": [
            {
              "type": "number"
            },
            {
              "type": "string",
              "const": ""
            }
          ],
          "description": "The number of models the student chose; written only when the model's `allowedStudentConfig` is set, and empty until the student enters one"
        },
        "partsPerModel": {
          "anyOf": [
            {
              "type": "number"
            },
            {
              "type": "string",
              "const": ""
            }
          ],
          "description": "The parts per model the student chose; written only when the model's `allowedStudentConfig` is set, and empty until the student enters one"
        }
      },
      "required": [
        "response"
      ],
      "description": "What the student entered"
    },
    "FractionModelResponse": {
      "type": "object",
      "properties": {
        "id": {
          "type": "number",
          "description": "Indicates the response id for bar or pie model: the model's 1-based position"
        },
        "value": {
          "type": "number",
          "description": "Indicates the selected response sector for model value: the number of parts selected in the model"
        }
      },
      "required": [
        "id",
        "value"
      ],
      "description": "The selection in one model"
    }
  }
}