{ "$schema": "https://schemas.wp.org/trunk/block.json", "apiVersion": 3, "name": "core/widget-group", "title": "Widget Group", "category": "widgets", "attributes": { "title": { "type": "string" } }, "supports": { "html": false, "inserter": true, "customClassName": true, "reusable": false }, "editorStyle": "wp-block-widget-group-editor", "style": "wp-block-widget-group" }