How to Enable confirmation pop-up while Reject the task in worflow?

[vshanmugam]

I am using Windchill PDMLink Release 12.0 and Datecode with CPS 12.0.2.6

We want to enable confirmation pop-up (OK or CANCEL) by selecting reject routing option in workflow.

Here are the errors that I faced
How to enable confirmation pop-up instead of warning message?

[VladimirN]

Article - "How to display a confirmation popup at the end of a customized wizard rather than an Inline Message in Windchill": https://www.ptc.com/en/support/article/CS151142