In your admin dashboard, click on the Settings > Collection.
Under the Reasons tab, you can customize your list of reasons for your driver to select for non-deliveries as well as item rejection for collections.
In the Reasons section, you can add one or multiple (separate by a new line) reasons for your driver to select from when tapping on the Not Collected button
Shipper Not AroundWrong AddressOthers
For the Item Reasons, you can customize your list of reasons for your driver to select when rejecting the item, e.g.
Goods DamagedWrong QuantityOthers