{
    "label": "materials",
    "children": [
        {
            "label": "Ninja Materials",
            "children": [
                {
                    "label": "Blue Sky",
                    "id" : "Blue Sky"
               },
               {
                    "label": "Bump Metal",
                    "id" : "Bump Metal"
                },
                 {
                    "label": "Dark Blur",
                    "id" : "Dark Blur"
                },
               {
                    "label": "Flag",
                    "id" : "Flag"
                },
                {
                    "label": "Linear Gradient",
                    "id" : "Linear Gradient"
                },
                {
                    "label": "Plasma",
                    "id" : "Plasma"
                },
                {
                    "label": "Pulse",
                    "id" : "Pulse"
                },
                {
                    "label": "Radial Blur",
                    "id" : "Radial Blur"
                },
                {
                    "label": "Radial Gradient",
                    "id" : "Radial Gradient"
                },
                {
                    "label": "Taper",
                    "id" : "Taper"
                },
                {
                    "label": "Twist Vertex",
                    "id" : "Twist Vertex"
                },
                {
                    "label": "Uber",
                    "id" : "Uber"
                },
                {
                    "label": "Water",
                    "id" : "Water"
                }
            ]
        },
        {
            "label": "Custom Materials",
            "children": [
            ]
        }
    ]
}