Click Devices > Identity Servers > Edit > Local > Classes.
Click New, then specify a Display name. For example, PersistentAuth.
Select Persistence Auth Class from the Java Class list.
Click New.
(Optional) Specify the following values:
Property Name: Specify the name of the property. For more information about names, see Persistence Auth Class Properties.
Property Value: Specify the property value you want to define.
Click OK > Finish.
Continue with creating a contract and method for this class.
See Configuring Authentication Methods and Configuring Authentication Contracts.