wpb_toggle_heading

Filters the heading HTML output of the Toggle (FAQ) element. This allows modifying the toggle heading markup before it is rendered.

Parameters

Parameter	Type	Description
$heading_output	string	The HTML output for the toggle heading.
$args	array	An associative array with title (the toggle title string) and open (whether the toggle is open by default).

Usage

<?php
add_filter( 'wpb_toggle_heading', 'my_custom_toggle_heading', 10, 2 );

function my_custom_toggle_heading( $heading_output, $args ) {
    // Add an icon before the toggle title
    $heading_output = '<span class="toggle-icon"></span>' . $heading_output;
    return $heading_output;
}

Source

File: include/templates/shortcodes/vc_toggle.php