def METHOD_NAME(connection, player):
    protocol = connection.protocol
    if not protocol.running_man:
        return S_NOT_ENABLED
    player.drop_link()
    player.linkable = not player.linkable
    player.send_chat(S_LINKABLE_SELF if player.linkable else S_UNLINKABLE_SELF)
    message = S_LINKABLE if player.linkable else S_UNLINKABLE
    message.format(player=player.name)
    if connection is not player:
        return message