Data Management Capabilities > Managing Part Structures > Windchill Options and Variants Capabilities > Filtering a Configurable Product Structure with the Option Filter > Standard and Alternate Option Filter > Customizing Filtering Behaviors for the Option Filtering Delegate
  
Customizing Filtering Behaviors for the Option Filtering Delegate
The next topics describe the steps required to configure and customize standard and alternate filtering behaviors for the Option filtering delegate. It describes how expressions are evaluated based on user selections in the Options filter, and the structure of the XML files used for configuring the behavior of the Option filtering delegate.