Custom Attributes
Use custom user attributes to add additional fields to the user profile which is visible on the profile page and on the self-registration page. For example, you can add fields for a mobile phone number, personal billing code, department ID code, etc.The information entered in these custom fields can subsequently be retrieved with the Autofill feature in the Online Editor.
Add a custom user attribute 
1 On the menu bar, choose Advanced > Custom Attributes.
2 In the Custom User Attributes tab, click the Add button to add a new custom user attribute to the list.
3 Specify as follows:
Display Name
The name of the field as it is displayed in the user profile.
Unique Code
Enter a unique code (or name) which will be used by the Autofill feature in the Online Editor to add the attribute to a customizable document. For example, use this feature to add a user’s social media information to a business card.
Default Value
This value fills the box of the custom field.
Enabled
Select the checkbox to activate the field on the user profile page.
Accessibility StoreCenter
You can choose to make the field editable (Editable) or editable and mandatory (Mandatory) on the user profile page.
Accessibility StoreFront
This option applies in the self-registration window and profile page where the shopper has the following options:
Not Visible: the field is not displayed for the user to fill in
Visible: the field is displayed but cannot be edited
Editable: the field is displayed and can be edited
Mandatory: the field is displayed and must be filled in
Max Size
The maximum number of character that the user is allowed to enter in the field is 255.
Save your changes to add the custom attribute to the list. The new attributes now appear on the profile page of the users of your stores.
doc. version 6.0.4