Navigate to your IDEA portfolio

Double-click on the IDEA you want to add a collaborator to.

Inside the IDEA, go to the collaboration section.

Click on the "add new" link on the right-hand side.

Select the user by typing in their username or email address.

Choose the role (viewer, editor, manager).

Click on "invite" to send the collaboration request.

The collaborator's name will show up with a status of pending until the collaborator accepts your request.

If needed, you can revoke the collaboration by clicking on the revoke button on the right-hand side.