vc_single_param_edit

Filters a single parameter configuration array before the edit form field is rendered in the shortcode settings panel.

Parameters

Parameter	Type	Description
$param	array	The parameter configuration array (from vc_map() params).
$value	mixed	The current value of the parameter.

Usage

<?php
add_filter( 'vc_single_param_edit', 'my_modify_param_edit', 10, 2 );

function my_modify_param_edit( $param, $value ) {
    // Add a custom CSS class to all textarea_html param holders.
    if ( 'textarea_html' === $param['type'] ) {
        $param['vc_single_param_edit_holder_class'][] = 'my-custom-textarea-class';
    }

    return $param;
}

Source

File: include/classes/editors/class-vc-edit-form-fields.php