json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "additionalProperties": false,
      "properties": {
          "name": {
              "type": "string"
          },
          "validation": {
              "description": "If true, bookings must be validated by moderators. Otherwise, they are automatically validated",
              "type": "boolean"
          },
          "school_id": {
              "type": "string"
          },
          "color": {
              "type": "string"
          },
          "extendcolor": {
              "type": "boolean"
          },
          "slotprofile": {
              "type": "string"
          }
      },
      "required": [
          "name",
          "validation",
          "school_id",
          "color"
      ]
  }