Edit file File name : block.json Content :{ "$schema": "https://schemas.wp.org/trunk/block.json", "apiVersion": 3, "name": "core/post-author-name", "title": "Author Name", "category": "theme", "description": "The author name.", "textdomain": "default", "attributes": { "textAlign": { "type": "string" }, "isLink": { "type": "boolean", "default": false }, "linkTarget": { "type": "string", "default": "_self" } }, "usesContext": [ "postType", "postId" ], "example": { "viewportWidth": 350 }, "supports": { "html": false, "spacing": { "margin": true, "padding": true }, "color": { "gradients": true, "link": true, "__experimentalDefaultControls": { "background": true, "text": true, "link": true } }, "typography": { "fontSize": true, "lineHeight": true, "__experimentalFontFamily": true, "__experimentalFontWeight": true, "__experimentalFontStyle": true, "__experimentalTextTransform": true, "__experimentalTextDecoration": true, "__experimentalLetterSpacing": true, "__experimentalDefaultControls": { "fontSize": true } }, "interactivity": { "clientNavigation": true }, "__experimentalBorder": { "radius": true, "color": true, "width": true, "style": true, "__experimentalDefaultControls": { "radius": true, "color": true, "width": true, "style": true } } }, "style": "wp-block-post-author-name" } Save