Select the field to be used to find the user account. If the "email" field is selected, keep in mind that if users change their email address, then the link with the IdP account will be lost.
On this #tikiexpresstutorial, using #tiki19 I’ll show you:
How to enable a feature from the Control Panels
How to enable a Global Feature from the features panel
How to enable an Interface feature
A quick overview of the Programmer features
And where to look for feature options