For more details see the Customer Attributes for Magento 2 extension page.
Display additional attribute fields on the registration page to collect important customer data. Create customer attributes of various types to effectively gather as much information as you need.
Display Customer Attributes on the 'selected customer' grid' - Please set this option to ‘Yes’ to see the attributes when you select a customer during order creation from the backend.
Allow customers to change their group - This option lets customers choose and change their customer group. To make the option work please create customer attribute of ‘Customer Group Selector’ input type.
Default Label/ Attribute Code - Specify an attribute label and a code. The code will be used only for internal needs.
Store View - Select the store view for which the attribute will be available.
Catalog Input Type for Store Owner - It’s possible to choose among various input types depending on your specific needs.
Default Value - Specify the value which will be preselected by default if necessary.
Values Required - If the option is set to ‘yes’ customers won’t be able to leave this attribute field blank while getting registered.
Input Validation - Specify the type of input validation.
Default Store View - Specify attribute title that will be visible on the frontend.
Manage Options - Create as many attribute values as you need, specify the value that will be preselected by default.
Attribute Relation - On the 'Attribute Relation' grid you'll see all created relations. It's possible to add an unlimited number of new relations and manage already created once.
Relation Name - Specify a relation name that will be used for internal needs only.
Parent Attribute - Choose the attribute that will be parent.
Attribute Options - Select attribute values that will trigger the display of dependent attributes.
Dependent Attributes - Specify which attributes will be dependent. These attributes will be displayed only if a customer selects one of the specified values of a parent attribute.
NOTE: Custom attributes will be also displayed on the 'Select Customer' grid when a store admin generates orders from the backend. Apart from that, you can display custom attributes on the order grid as well as on the order info page.
NOTE: reports are created only for selectable attributes such as checkboxes, multiple selects, dropdowns, yes/no and radio buttons.
You can include customer attributes in your business e-mails, by inserting the special variable in your messages. Insert a customer attribute into the code:
If customer attribute is profession, for instance, insert the following in your letter:
This should work only for emails with order (New Order, Order Update, etc.).