User Definable Fields are available for all routes and are useful for custom reporting. You can change the labels of User Fields in customer records.
Go to Maintenance > Customers.
Select the customer associated with the route you would like to customize the user field captions for.
Select the General tab.
Edit User Field 1-6 under Route Stop User Field Captions.
You want to have a "COD Type" user field on the route stop form.
In the customer record General tab set the User Field 1 to "COD Type".