Restricted Staff Account by Attribute: Custom Access
If you have Product, Customer or Order/Quote attributes set to Allow Staff Account Restrictions, a new section in the Role Permissions will show up called "Custom Access" that allows you to limit the Admin User's access by the values of that attribute.

Allow Staff Account Restrictions
To Enable Staff Account Restrictions, they need to be enabled in the Product, Customer or Order Attributes first.
Staff Account Restrictions are only available on Drop-Down type Attributes.
Product Attribute
Products > Attributes

Customer Attribute
Customers > Attributes

Order Attribute
Orders > Attributes

Configure Custom Access
Once you have enabled Staff Account Restrictions, you may configure the Custom Access.
Navigate to Team > User List > Create New User or edit an existing User
Click on Edit Permissions at the bottom of the page. Then click Use Custom Role, then Edit Custom Access

Here you may Configure Custom Access

Updated over 1 year ago