src/test/resources/example/model-properties/custom/modelBpmn.json

{
    "policy":
    [
        {
            "id": "Policy_",
            "from": "StartEvent_1"
        }
    ],

    "tca":
    [
        {
            "id": "TCA_",
            "from": ""
        }
    ],

    "customType":
    [
        {
            "id": "CustomType_",
            "from": ""
        }
    ]
}