Basic Customization > User Interface Customization > Incorporating Pickers in JSP Clients > Configuring a Participant Picker in AngularJS > Solution > Prerequisite knowledge
  
Prerequisite knowledge
To achieve this objective, you need to have an understanding of the following:
How to add Windchill Client Architecture actions.
How to author JavaScript picker Callback functions.
How to configure a standalone application page in AngularJS 1.2. Refer to the AngularJS Developer Guide for additional information.