File Content: block.json { "apiVersion": 2, "name": "core/gallery", "category": "media", "attributes": { "images": { "type": "array", "default": [], "source": "query", "selector": ".blocks-gallery-item", "query": { "url": { "type": "string", "source": "attribute", "selector": "img", "attribute": "src" }, "fullUrl": { "type": "string", "source": "attribute", "selector": "img", "attribute": "data-full-url" }, "link": { "type": "string", "source": "attribute", "selector": "img", "attribute": "data-link" }, "alt": { "type": "string", "source": "attribute", "selector": "img", "attribute": "alt", "default": "" }, "id": { "type": "string", "source": "attribute", "selector": "img", "attribute": "data-id" }, "caption": { "type": "string", "source": "html", "selector": ".blocks-gallery-item__caption" } } }, "ids": { "type": "array", "items": { "type": "number" }, "default": [] }, "columns": { "type": "number", "minimum": 1, "maximum": 8 }, "caption": { "type": "string", "source": "html", "selector": ".blocks-gallery-caption" }, "imageCrop": { "type": "boolean", "default": true }, "linkTo": { "type": "string" }, "sizeSlug": { "type": "string", "default": "large" } }, "supports": { "anchor": true, "align": true }, "editorStyle": "wp-block-gallery-editor", "style": "wp-block-gallery" } Submit