The Redline feature applies only to completed projects and is positioned in the quick actions button.
Submit a Redline by the following steps:
Click the quick actions button on the desired completed project.
Opt for the Redline feature from the dropdown menu, which is the third choice presented.
Indicate the desired alterations for the relevant 2D floor plan and the 3D Tour, keeping the Redline guidelines.
Finalize the Redline process by selecting the Submit button. The modification requests will be reviewed within 24 hours.