{
  "model": {
    "TITLE": {
      "value": "Test 6: Hierarchical Tree"
    },
    "AUTHOR": {
      "value": "Test Suite",
      "readOnly": "true"
    },
    "MODELTYPE": {
      "value": "C4",
      "inputType": "select",
      "refData": "MODELTYPE"
    },
    "DESCRIPTION": {
      "value": "Tree structure with parent-child relationships",
      "inputType": "textarea"
    },
    "LAYOUT": {
      "inputType": "select",
      "value": "Dynamic",
      "refData": "LAYOUTTYPE"
    }
  },
  "systems": [
    {
      "ID": "ROOT",
      "TEXT": "Root System",
      "TYPE": "SYSTEM"
    },
    {
      "ID": "L1A",
      "TEXT": "Level 1 - A",
      "TYPE": "SYSTEM"
    },
    {
      "ID": "L1B",
      "TEXT": "Level 1 - B",
      "TYPE": "SYSTEM"
    },
    {
      "ID": "L2A1",
      "TEXT": "Level 2 - A1",
      "TYPE": "SYSTEM"
    },
    {
      "ID": "L2A2",
      "TEXT": "Level 2 - A2",
      "TYPE": "SYSTEM"
    },
    {
      "ID": "L2B1",
      "TEXT": "Level 2 - B1",
      "TYPE": "SYSTEM"
    },
    {
      "ID": "L2B2",
      "TEXT": "Level 2 - B2",
      "TYPE": "SYSTEM"
    },
    {
      "ID": "L3",
      "TEXT": "Level 3",
      "TYPE": "SYSTEM"
    }
  ],
  "interactions": [
    {
      "ID": "R_A",
      "FROMID": "ROOT",
      "TOID": "L1A",
      "TEXT": "Command",
      "TYPE": "->"
    },
    {
      "ID": "R_B",
      "FROMID": "ROOT",
      "TOID": "L1B",
      "TEXT": "Command",
      "TYPE": "->"
    },
    {
      "ID": "A_A1",
      "FROMID": "L1A",
      "TOID": "L2A1",
      "TEXT": "Command",
      "TYPE": "->"
    },
    {
      "ID": "A_A2",
      "FROMID": "L1A",
      "TOID": "L2A2",
      "TEXT": "Command",
      "TYPE": "->"
    },
    {
      "ID": "B_B1",
      "FROMID": "L1B",
      "TOID": "L2B1",
      "TEXT": "Command",
      "TYPE": "->"
    },
    {
      "ID": "B_B2",
      "FROMID": "L1B",
      "TOID": "L2B2",
      "TEXT": "Command",
      "TYPE": "->"
    },
    {
      "ID": "A1_L3",
      "FROMID": "L2A1",
      "TOID": "L3",
      "TEXT": "Report",
      "TYPE": "->"
    },
    {
      "ID": "B1_L3",
      "FROMID": "L2B1",
      "TOID": "L3",
      "TEXT": "Report",
      "TYPE": "->"
    }
  ]
}