This ensures the data will be included in the REST API, which the block editor uses to load and save meta data. When registering the field, note the show_in_rest parameter. See Managing Post Metadata to learn more about post meta. You need to first register a new meta field prior to use.
Review the Getting started with JavaScript tutorial for an introduction. This guide assumes you are already familiar with WordPress plugins, post meta, and basic JavaScript.
#WORDPRESS MEDIA META BOX HOW TO#
This guide shows how to create a block that prompts a user for a single value, and saves it to post meta. However, you can also create a block that saves its attribute values as post meta, that can be accessed programmatically anywhere in your template. Typically, blocks store attribute values in the serialized block HTML. If you are interested in working with the post meta outside the editor, check out the Sidebar Tutorial. The block editor does support most existing meta boxes, see the backward compatibility section below for details. It is recommended to port older custom meta boxes to one of these new methods to create a more unified and consistent experience for those using the editor. Now there are new ways to extend, giving more power to the developer and a better experience for the authors. Prior to the block editor, custom meta boxes were used to extend the editor.
Browse: Home / Block Editor Handbook / How-to Guides / Meta Boxes Meta Boxes Edit Overview
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