Once you launch a synchronization, Letsignit retrieves a predefined list of attributes, you can now choose to synchronize other supplementary attributes.
To learn how to do this, please take a look at the following steps:
Go to the user attributes page and select the Default attributes tab:
Scroll to the bottom of the list, you will find an "add" button, click on it:
Now, click on the arrow icon to open the attributes list. Choose the desired attribute, enter a display name and validate by clicking the green thick.
You attribute is now synchronized and you can find it in the designer and the user profile information under the Custom Attributes section: