Multi-selecting assets for updates in TDNext

When you are in an asset application and you would like to apply a change to several assets at a time (not using the API), is it possible to add other options to the list of fields to be updated that comes up after multi-selecting the assets and clicking the update button?  For instance, could we add a custom attribute such as "Primary SA" to the list of fields to be updated?  See attached screen shot showing the list that I'm talking about.  

Thanks, Susan