Customizing system classes

Xperience allows you to modify some of the system objects by adding your own custom fields.

Open the Modules application.
Edit the related module.
Select the Classes tab.
Edit a class that has the Is customizable flag enabled.
Switch to the Fields tab, and add any required custom fields.

The following table contains the most commonly customized system classes:

Module	Class
Contact management	Contact management - Account
Contact management	Contact management - Contact
E-commerce	Address
E-commerce	Customer
E-commerce	Discount
E-commerce	Gift card
E-commerce	Multibuy discount
E-commerce	Option category
E-commerce	Order
E-commerce	Order address
E-commerce	Order item
E-commerce	Payment option
E-commerce	Shipping option
E-commerce	Shopping cart
E-commerce	Shopping cart item
E-commerce	SKU
E-commerce	Volume discount
Media libraries	Media file
Email marketing	Newsletter - Subscriber
Membership	User
Membership	User - Settings

When creating new fields for a system class, the Required flag is always false and cannot be edited. This is necessary to ensure that the default system procedures continue to work correctly. However, you can enable the Required flag for fields in alternative forms.

For more information about creating new fields for system classes, see the example in Adding custom fields to users.