Modify the title of the window when priting the View using the DataTables layout

gv-dt-print-title.php

<?php // Make sure to remove this line

add_filter('gravityview/datatables/button_print','gravityview_dtbuttons_print_title', 10 ,2);
function gravityview_dtbuttons_print_title( $button_config = array(), $view_id){
	$button_config['title'] = 'Add your own title here';
    return $button_config;
}