Schema Visual Composer Element

functions.php

<?php
/**/
// include vc_schema.php file in functions.php
require_once get_template_directory() . '/vc_schema.php';

vc_schema.php

<?php

// Create vc_schema.php file on theme root [where (style.css) have found]

function faq_schema_section( $atts, $content){
$atts = shortcode_atts(
     array(
        'faq_list' => '', 
     ), 
     $atts, 
     'vcas_title'
    );
    
   ob_start();
$faqList = vc_param_group_parse_atts($atts['faq_list']);

?>
<div class="faq-container" itemscope="" itemtype="http://schema.org/FAQPage">
<?php foreach ($faqList as $list) { ?>
 <div class="faq-list" itemprop="mainEntity" itemscope="" itemtype="http://schema.org/Question">
     <h4 itemprop="name"> <?php echo $list['faq_title']; ?></h4>

<div class="faq-content"  itemscope="" itemprop="acceptedAnswer" itemtype="http://schema.org/Answer">
  <div itemprop="text">
  <p>
    <?php echo $list['faq_content']; ?>
  </p>
</div>
</div>

 </div>

<?php } ?>

</div>
      
<?php
$myVariable = ob_get_clean();
return $myVariable;
}
add_shortcode( 'faq_schema_shortcode','faq_schema_section' );

// visual composer home page slider


function vcas_component_for_home() {
    vc_map( array(
        "name" => __( "FAQ Schema List", "my-text-domain" ),
        "base" => "faq_schema_shortcode",
        "class" => "",
        "category" => __( "Schema Component", "my-text-domain"),
        'icon' => get_template_directory_uri().'/assets/img/vc-icon.png',
        "params" => array(
           array(
     'type' => 'param_group',
      'value' => '',
      'heading' =>  __( 'Faq List', 'pt-vc' ),
      'param_name' => 'faq_list',
       // Note params is mapped inside param-group:
      'params' => array(
          array(
             'type' => 'textarea',
             'value' => 'Heading',
             'heading' => __( 'Faq Title', 'pt-vc' ),
             'param_name' => 'faq_title',
         ),
           array(
            "type" => "textarea", //textarea_html, exploded_textarea,textarea
            "holder" => "div",
            "class" => "",
            "heading" => __( "Faq Content", "my-text-domain" ),
            "param_name" => "faq_content",
            "value" => __( "I am text block. Click edit button to change this text. Lorem ipsum dolor sit amet, consectetur adipiscing elit.", "my-text-domain" ),
            "description" => __( "Write article short description", "my-text-domain" ),
            'group' => 'Content',  
           ),
      )
   )
        )
     ) );
}

add_action( 'vc_before_init', 'vcas_component_for_home' );