Get Category list Post Type

<?php
$tax_one = 'Project Type';
$post_type = 'portfolio';
$categories = get_categories( array(
 'type' => $post_type,
 'orderby' => 'name',
 'order' => 'ASC',
 'hide_empty' => 0,
 'hierarchical' => 1,
 'taxonomy' => $tax_one ));
foreach ( $categories as $category ) :
echo '<li>'.$category->name.'</li>'?>
<?php endforeach; ?>