azamatx

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Hi,

First of all you need to create child theme and switch to it in order to prevent further theme updates from overwriting your customizations.

In the child theme’s function.php add the following code:

add_action( 'init', 'bbchild_init' );
function bbchild_init() {

  if ( function_exists( 'vc_add_param' ) ) {
    $testimonial_categories_array = get_terms( 'testimonial_category' );
    $testimonial_categories = array(
      __( 'All', 'bestbuild' ) => 'all'
    );
    if( $testimonial_categories_array && ! is_wp_error( $testimonial_categories_array )  ){
      foreach( $testimonial_categories_array as $cat ){
        $testimonial_categories[$cat->name] = $cat->slug;
      }
    }

    // Adding Category parameter to the VC module
    vc_add_param( 'stm_testimonials', array(
      'type' => 'dropdown',
      'heading' => __('Category', 'bestbuild'),
      'param_name' => 'category',
      'value' => $testimonial_categories
    ) );
  }

}

Check the backend to ensure our new field appears in testimonials module.

Then copy template vc_templates/stm_testimonials.php from original theme to the child theme directory and do the following modifications (new lines highlighted with +++):

extract( shortcode_atts( array(
  'css'      => '',
  'count'    => 1,
  'category' => 'all' // +++
), $atts ) );

// ...

if( $category != 'all' ){  // +++
  $args['testimonial_category'] = $category;  // +++
}  // +++
$testimonials = new WP_Query( $args );

Check your module on the frontend. Testimonials should be filtered by selected category.

Hope it helps, if no, please send your request to https://stylemix-wp-support.com/request-a-quote/

Regards,
Azamat
Stylemix WP Support