How to edit marketing-tracking codes per page? there is nothing in the controller OC3032

Hi I'm tarring to change how many coupon codes I see per page form 20 to 100, when I look at the admin controller file there is nothing in it about page size. No the other hand coupon.php file right next to it I was able to change 10 * 10 to whatever. Where do I need to go to edit Marketing items per page?

Works a little differently and uses the limit set in admin.

So you can change it in admin and then it will change it for all affected pages or you can set it manually in the marketing.php.

The line in question is:

Oh its fine if the admin setting will change it automatically. I though it had to me manually coded since the coupons needed to be