Retrieves the friends list of the specified steamid64. The profile must be set to public or the owner of the api key must be friends with them. The profile cannot be private or the method will fail and it will return null.
publicGetFriendList ( ulongsteamId, stringrelationship = "" ) : List
steamId
ulong
SteamId64 to retrieve the friends list from.
relationship
string
All/Friend, there are others but I do not know what.