Request a quote - How to add the Thai font

If you want to include in Request a Quote plugin Thai font , you cound use this code in the functions.php of your theme.

if ( defined( 'YITH_YWRAQ_PREMIUM' ) ) {
    add_filter('pdf_font_family', 'pdf_font_family');
    function pdf_font_family( $font ){
        return '"thsarabun", '.$font;
    }
}

In attached you can find the package with Thai fonts.