Các bạn mở file wp-content\themes\flatsome-child\functions.php và dán đoạn code sau vào cho mình:

Tạo element mới 

function ttit_add_element_ux_builder(){
  add_ux_builder_shortcode('title_with_cat', array(
    'name'      => __('Title With Category'),
    'category'  => __('Content'),
    'info'      => '',
    'wrap'      => false,
    'options' => array(
      'ttit_cat_ids' => array(
        'type' => 'select',
        'heading' => 'Categories',
        'param_name' => 'ids',
        'config' => array(
          'multiple' => true,
          'placeholder' => 'Select...',
          'termSelect' => array(
            'post_type' => 'product_cat',
            'taxonomies' => 'product_cat'
          )
        )
      ),
      'style' => array(
        'type'    => 'select',
        'heading' => 'Style',
        'default' => 'normal',
        'options' => array(
          'normal'      => 'Normal',
          'center'      => 'Center',
          'bold'        => 'Left Bold',
          'bold-center' => 'Center Bold',
        ),
      ),
      'text' => array(
        'type'       => 'textfield',
        'heading'    => 'Title',
        'default'    => 'Lorem ipsum dolor sit amet...',
        'auto_focus' => true,
      ),
      'tag_name' => array(
        'type'    => 'select',
        'heading' => 'Tag',
        'default' => 'h3',
        'options' => array(
          'h1' => 'H1',
          'h2' => 'H2',
          'h3' => 'H3',
          'h4' => 'H4',
        ),
      ),
      'color' => array(
        'type'     => 'colorpicker',
        'heading'  => __( 'Color' ),
        'alpha'    => true,
        'format'   => 'rgb',
        'position' => 'bottom right',
      ),
      'width' => array(
        'type'    => 'scrubfield',
        'heading' => __( 'Width' ),
        'default' => '',
        'min'     => 0,
        'max'     => 1200,
        'step'    => 5,
      ),
      'margin_top' => array(
        'type'        => 'scrubfield',
        'heading'     => __( 'Margin Top' ),
        'default'     => '',
        'placeholder' => __( '0px' ),
        'min'         => - 100,
        'max'         => 300,
        'step'        => 1,
      ),
      'margin_bottom' => array(
        'type'        => 'scrubfield',
        'heading'     => __( 'Margin Bottom' ),
        'default'     => '',
        'placeholder' => __( '0px' ),
        'min'         => - 100,
        'max'         => 300,
        'step'        => 1,
      ),
      'size' => array(
        'type'    => 'slider',
        'heading' => __( 'Size' ),
        'default' => 100,
        'unit'    => '%',
        'min'     => 20,
        'max'     => 300,
        'step'    => 1,
      ),
      'link_text' => array(
        'type'    => 'textfield',
        'heading' => 'Link Text',
        'default' => '',
      ),
      'link' => array(
        'type'    => 'textfield',
        'heading' => 'Link',
        'default' => '',
      ),
    ),
  ));
}
add_action('ux_builder_setup', 'ttit_add_element_ux_builder');

Hiển thị nó ra Front end:

function title_with_cat_shortcode( $atts, $content = null ){
  extract( shortcode_atts( array(
    '_id' => 'title-'.rand(),
    'class' => '',
    'visibility' => '',
    'text' => 'Lorem ipsum dolor sit amet...',
    'tag_name' => 'h3',
    'sub_text' => '',
    'style' => 'normal',
    'size' => '100',
    'link' => '',
    'link_text' => '',
    'target' => '',
    'margin_top' => '',
    'margin_bottom' => '',
    'letter_case' => '',
    'color' => '',
    'width' => '',
    'icon' => '',
  ), $atts ) );
  $classes = array('container', 'section-title-container');
  if ( $class ) $classes[] = $class;
  if ( $visibility ) $classes[] = $visibility;
  $classes = implode(' ', $classes);
  $link_output = '';
  if($link) $link_output = '<a href="'.$link.'" target="'.$target.'">'.$link_text.get_flatsome_icon('icon-angle-right').'</a>';
  $small_text = '';
  if($sub_text) $small_text = '<small class="sub-title">'.$atts['sub_text'].'</small>';
  if($icon) $icon = get_flatsome_icon($icon);
  // fix old
  if($style == 'bold_center') $style = 'bold-center';
  $css_args = array(
   array( 'attribute' => 'margin-top', 'value' => $margin_top),
   array( 'attribute' => 'margin-bottom', 'value' => $margin_bottom),
  );
  if($width) {
    $css_args[] = array( 'attribute' => 'max-width', 'value' => $width);
  }
  $css_args_title = array();
  if($size !== '100'){
    $css_args_title[] = array( 'attribute' => 'font-size', 'value' => $size, 'unit' => '%');
  }
  if($color){
    $css_args_title[] = array( 'attribute' => 'color', 'value' => $color);
  }
  if ( isset( $atts[ 'ttit_cat_ids' ] ) ) {
    $ids = explode( ',', $atts[ 'ttit_cat_ids' ] );
    $ids = array_map( 'trim', $ids );
    $parent = '';
    $orderby = 'include';
  } else {
    $ids = array();
  }
  $args = array(
    'taxonomy' => 'product_cat',
    'include'    => $ids,
    'pad_counts' => true,
    'child_of'   => 0,
  );
  $product_categories = get_terms( $args );
  $hdevvn_html_show_cat = '';
  if ( $product_categories ) {
    foreach ( $product_categories as $category ) {
      $term_link = get_term_link( $category );
      $thumbnail_id = get_woocommerce_term_meta( $category->term_id, 'thumbnail_id', true  );
      if ( $thumbnail_id ) {
        $image = wp_get_attachment_image_src( $thumbnail_id, $thumbnail_size);
        $image = $image[0];
      } else {
        $image = wc_placeholder_img_src();
      }
      $hdevvn_html_show_cat .= '<li class="hdevvn_cats"><a href="'.$term_link.'">'.$category->name.'</a></li>';
    }
  }
  return '<div class="'.$classes.'" '.get_shortcode_inline_css($css_args).'><'. $tag_name . ' class="section-title section-title-'.$style.'"><b></b><span class="section-title-main" '.get_shortcode_inline_css($css_args_title).'>'.$icon.$text.$small_text.'</span>
  <span class="hdevvn-show-cats">'.$hdevvn_html_show_cat.'</span><b></b>'.$link_output.'</' . $tag_name .'></div><!-- .section-title -->';
}
add_shortcode('title_with_cat', 'title_with_cat_shortcode');

Thêm một chút CSS :

.hdevvn-show-cats{
  border: none !important;
}
span.hdevvn-show-cats li{
  display: block;
  width: auto;
  float: left;
  margin: 0 8px;
}
span.hdevvn-show-cats li a{
  font-size: 11px;
}