With censhare 5.4 onwards there were Resource Replacement Variant introduced. Since 5.8 onwards please assign a role on the Resource Replacement Variant relation itself.
Steps to follow via java client:
Right click on Variant. (variant for which you want to assign a role)
Choose 'Edit relations' --> 'Resource replace variant'.
User will get a new popup dialog.
Click on + button beside Features label on new popup dialog.
Choose Resource replace role from drop down.
From second drop down choose the desired role to assign.
How to assign role to a resource replacement variant.mov
Steps to follow via web client:
Open the main asset or the variant asset.
Select the widget which show the variant or main asset.
Click the three dots "⋮" vertically aligned.
Choose the option 'Edit relation properties'.
A dialog will appear and choose the desired role from the dropdown.
RRV_video.mov