 {
    "jcr:primaryType": "nt:unstructured",
    "sling:resourceType": "sling-cms/components/editor/slingform",
    "button": "Save",
    "fields": {
        "jcr:primaryType": "nt:unstructured",
        "sling:resourceType": "sling-cms/components/general/container",
        "width": {
            "jcr:primaryType": "nt:unstructured",
            "sling:resourceType": "sling-cms/components/editor/fields/text",
            "label": "Width",
            "name": "width",
            "type": "number"
        },
        "height": {
            "jcr:primaryType": "nt:unstructured",
            "sling:resourceType": "sling-cms/components/editor/fields/text",
            "label": "Height",
            "name": "height",
            "type": "number"
        }
    }
}