add_filter( 'wpsight_listing_title_actions', 'wpsight_listing_title_action_contact' );
function wpsight_listing_title_action_contact( $actions ) {

        $args = array(
            'include'        => $include,
            'post_status'    => 'inherit',
            'post_type'      => 'attachment',
            'post_mime_type' => 'application/pdf',
            'order'          => $order,
            'orderby'        => $orderby
        );

        $args = apply_filters( 'wpsight_image_slider_args', $args);
        $_attachments = get_posts( $args );

        $attachments = array();

        $postid = get_the_ID();
        $url = 'leer';

        foreach ( $_attachments as $k => $v ) {
            $attachments[$v->ID] = $_attachments[$k];
            //print_r($attachments[$v->ID]);
            if($postid == $attachments[$v->ID]->post_parent){
                $url = $attachments[$v->ID]->guid;
            }
        }

        if($url == 'leer'){
            $url = esc_url( add_query_arg( array(  'pid' => get_the_ID(), 'print' => '1' ), get_permalink() ) );
        }

$actions = array(
    'favorites' => array(
        'label'     => __( 'Save', 'wpsight' ),
        'name'      => false,
        'id'        => false,
        'class'     => 'btn btn-mini actions-favorites action-link',
        'href'      => false,
        'target'    => false,
        'icon'      => 'icon-star',
        'atts'      => false,
        'position'  => 10,
        'cb'        => 'wpsight_listing_title_action_favorite'
    ),

    'print' => array(
        'label'     => __( 'Print', 'wpsight' ),
        'name'      => false,
        'id'        => false,
        'class'     => 'btn btn-mini',
        //'href'        => esc_url( add_query_arg( array(  'pid' => get_the_ID(), 'print' => '1' ), get_permalink() ) ),
                'href'          => $url,
        'target'    => 'blank',
        'icon'      => 'icon-print',
        'atts'      => false,
        'position'  => 20,
        'cb'        => false
    )
);
    return $actions;
}