style.json

{
    "id": "{{urlParam 'id'}}",
    "roof": "{{hexColor}}",
    "guttering": "{{hexColor}}",
    "fascia": "{{hexColor}}",
    "garageDoor": "{{hexColor}}",
    "mortar": "{{hexColor}}",
    "externalWalls": {
        "brick": "{{guid}}",
        "bondStyle": "{{guid}}",
        "bondColor": "{{guid}}"
    },
    "featureWall": {
        "brick": "{{guid}}",
        "bondStyle": "{{guid}}",
        "bondColor": "{{guid}}"
    }
}