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MetaShortcode is a lightweight module that allows users to display the value any custom (meta) field on the front-end using a simple shortcode.
The module can be disabled from the settings page. Important: The module is inactive by default. If you leave the Enabled box unchecked, the plugin will have no effect at all.
Pattern: [msc custom_field_name] 
Shortcodes with the pattern above will display the value stored in custom field name in the post.
Alternative pattern: {msc custom_field_name} 
An alternative shortcode pattern, which replaces square brackets with curly braces, can be activated if needed. This can be helpful if you need to use a custom field value as an attribute inside an existing shortcode definition. For example:
invalid: [shortcode name=”example” url=”[msc custom_url_field]”]…[/shortcode] 
valid: [shortcode name=”example” url=”{msc custom_url_field}”]…[/shortcode]
Note that unless you have a specific need for nesting shortcodes as attributes, you should leave this option disabled in the settings to avoid the slight (and unnecessary) performance degradation that the additional content filter involves.
<h3>Roadmap</h3>
<ul>
<li>Allow customizing the shortcode identifier</li>
</ul>
<h3>Donations</h3>
None needed.

MetaShortcode

MetaShortcode is a lightweight module that allows users to display the value any custom (meta) field on the front-end using a simple shortcode.

MetaShortcode vs Flexible Checkout Fields for WooCommerce – WooCommerce Checkout Manager