The default maximum limit is set to 10, The limit can be set under the Store ⟶ Configuration ⟶ Magediary ⟶ Coupon Codes Assistant ⟶ Sorting Options ⟶ Coupons Limit. Reference guide: https://magediary.com/docs/coupon-codes-assistant.html#coupons-limit
By default, it set based on Priority in Descending order. We can set the sort by and order using the following configurations under the Store ⟶ Configuration ⟶ Magediary ⟶ Coupon Codes Assistant ⟶ Sorting Options Sort By Reference options are: Rule ...