Steps to Enable Show Confirmation Before ‘mark as done’
1. Open Impact Designer Admin.
2. Select ”Production hub” on the navigation panel.

3. Move to the right. Click on the Production hub settings drop-down and select “Production settings.”

4. The production settings page will appear. Click on the Show confirmation before the ‘mark as done’ label to enable it.

5. Scroll down and click on the “Save” button.
Now you have successfully enabled the option to get a confirmation message before marking the job as done!