Edit file File name : block.json Content :{ "$schema": "https://schemas.wp.org/trunk/block.json", "apiVersion": 3, "name": "core/file", "title": "File", "category": "media", "description": "Add a link to a downloadable file.", "keywords": [ "document", "pdf", "download" ], "textdomain": "default", "attributes": { "id": { "type": "number" }, "href": { "type": "string" }, "fileId": { "type": "string", "source": "attribute", "selector": "a:not([download])", "attribute": "id" }, "fileName": { "type": "rich-text", "source": "rich-text", "selector": "a:not([download])" }, "textLinkHref": { "type": "string", "source": "attribute", "selector": "a:not([download])", "attribute": "href" }, "textLinkTarget": { "type": "string", "source": "attribute", "selector": "a:not([download])", "attribute": "target" }, "showDownloadButton": { "type": "boolean", "default": true }, "downloadButtonText": { "type": "rich-text", "source": "rich-text", "selector": "a[download]" }, "displayPreview": { "type": "boolean" }, "previewHeight": { "type": "number", "default": 600 } }, "supports": { "anchor": true, "align": true, "spacing": { "margin": true, "padding": true }, "color": { "gradients": true, "link": true, "text": false, "__experimentalDefaultControls": { "background": true, "link": true } }, "interactivity": true }, "editorStyle": "wp-block-file-editor", "style": "wp-block-file" } Save