Note: this trick only works on the sent mails and is not possible when the user goes directly to the workflow task.
- Open the Assign Flexi task.
- Click on the notification tab.
- Remove the here from the Click here to respond to the task message.
- In the top menu click on the tab Insert and select Link.
- Add the Approval URL from the Common Tab and append with &source=http://targeturl after it.
Add a hyperlink text and OK.
If you liked this article be sure to have a look at Nintex Workflow User's Guide for more tips, tricks and hands-on assignments.