You can specify a form processor controller, which would be executed when the wizard is completed and the user clicks on OK, FINISH or APPLY button to submit it. The form processor controller gets the data specified in all the wizard steps, from Wizard framework, and processes it. After processing the data, a form processor controller returns an object of FormResult, along with the status. Based on the status (SUCCESS / FAILURE), which is returned, the wizard framework will decide further action. For example:

In <your_wizard_page>.jsp