vc_css_editor

Filters the complete HTML output of the CSS Editor (Design Options) parameter field. This allows customization of the entire CSS editor interface rendered in the shortcode edit form.

Parameters

Parameter	Type	Description
$output	string	The complete HTML output of the CSS editor field.

Usage

<?php
add_filter( 'vc_css_editor', 'my_custom_css_editor' );

function my_custom_css_editor( $output ) {
    // Add a custom help text below the CSS editor
    $output .= '<p class="description">Use this editor to customize spacing, borders, and background.</p>';
    return $output;
}

Source

File: include/params/css_editor/css_editor.php