{
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "Waist Circumference",
   "type": "object",
   "required": [
      "waist_circumference"
   ],
   "properties": {
      "waist_circumference": {
         "$ref": "#/definitions/WaistCircumference"
      }
   },
   "additionalProperties": false,
   "definitions": {
      "WaistCircumference": {
         "title": "Waist Circumference (cm)",
         "description": "must be between 50 - 200",
         "type": "number",
         "minimum": 50,
         "maximum": 200,
         "example": 90
      }
   }
}