fromName = $.base64.encode($('#voucherName').val())

$.ajax({
    url: frontend_ajax_object.ajaxurl,
    type: "POST",
    contentType: "application/x-www-form-urlencoded; charset=UTF-8",
    data: 'action=wpgv_doajax_pdf_save_func&nonce='+nonce+'&template='+templates_id+'&for='+forName+'&from='+fromName+'&value='+voucherValue+'&message='+message+'&expiry='+expiry+'&code='+code+'&firstname='+firstName+'&lastname='+lastName+'&email='+email+'&address='+address+'&pincode='+pincode+'&paymentmethod='+paymentMethod,
    success: function(a) {
        window.location.replace(a);
    },
    error: function() {
        alert('Error occured');
    }
});

$from = sanitize_text_field(base64_decode($_POST['from']));