The Cat Feeder skill allows you to automaically replenish your cat food supply when you are running low. To do this you will need to use Amazon's Dash Repleishment Service.
Step 1: Enter the code you recieved in your Alexa App
Code should look like the following: f81d4fae-7dec-11d0-a765-00a0c91e6bf6
Step 2: Authenticate through Amazon to enable the Dash Replenishment Service
Code to get token