saw it all in action over the weekend and after talking to the referees, players and coaches he really feels it is a good way to solve the problems that everybody is talking about," Platini's
special advisor William Gaillard told Reuters.
The assistants in the penalty area communicate with the referee via headsets. "So if the referee wants to not take into account what they say he can ignore it and nobody sees what is going on," said Gaillard.
UEFA will conduct two more trials at similar tournaments later this year and report its findings to FIFA, whose approval is required for extra assistants to be used on a wider scale.