{
  "model": {
    "TITLE": {
      "value": "Student enrolment",
      "inputType": "text"
    },
    "MODELTYPE": {
      "value": "ERD",
      "inputType": "select",
      "refData": "MODELTYPE"
    },
    "LAYOUT": {
      "value": "Drag&Drop",
      "inputType": "select",
      "refData": "LAYOUTTYPE"
    },
    "DIRECTION": {
      "value": "Horizontal",
      "inputType": "select",
      "refData": "DIRECTIONTYPE"
    }
  },
  "systems": [
    {
      "ID": "student",
      "TEXT": "Student",
      "TYPE": "ENTITY",
      "Description": "A person studying at the university"
    },
    {
      "ID": "enrolment",
      "TEXT": "Enrolment",
      "TYPE": "ENTITY",
      "Description": "A student enrolment on a module"
    },
    {
      "ID": "module",
      "TEXT": "Module",
      "TYPE": "ENTITY",
      "Description": "A unit of study"
    }
  ],
  "interactions": [
    {
      "ID": "r1",
      "FROMID": "student",
      "TOID": "enrolment",
      "TEXT": "has",
      "TYPE": "|-O<"
    },
    {
      "ID": "r2",
      "FROMID": "module",
      "TOID": "enrolment",
      "TEXT": "has",
      "TYPE": "|-O<"
    }
  ],
  "layouts": {}
}