The public network address supplied for this direct connect info.
The public network address contains the address supplied by this member when it created or joined a match. This property is optional, and will not contain information if you do not assign this value when a player creates or joins a match.
The purpose of assigning this value is so that you can broadcast one player'snetwork address to other players directly over the internet, allowing them to connect directly to each other rather than requiring a relay server.