Ulisting plugin for managing real estate properties.
Ulisting WPAllimport addon to import hundreds of properties.
Ulisting WPAllimport addon does not assign agent to imported properties.
Theme developer states its a know bug and that this will be fixed in the next update; been 1 month and no fix yet.
WPAllimport plugin support pointed out the database table affected by the addon and recommended to contact a developer to write a code with their API to manage properties-agent assignment.