code: def update_member_data_in(self, leaderboard_name, member, member_data):
          '''
          Update the optional member data for a given member in the named leaderboard.
  
          @param leaderboard_name [String] Name of the leaderboard.
          @param member [String] Member name.
          @param member_data [String] Optional member data.
          '''
          self.redis_connection.hset(
              self._member_data_key(leaderboard_name),
              member,
              member_dataf update_member_data_in(self, leaderboard_name, member, member_data):
          '''
          Update the optional member data for a given member in the named leaderboard.
  
          @param leaderboard_name [String] Name of the leaderboard.
          @param member [String] Member name.
          @param member_data [String] Optional member data.
          '''
          self.redis_connection.hset(
              self._member_data_key(leaderboard_name),
              member,
              member_data)
docs: Update the optional member data for a given member in the named leaderboard.
  
          @param leaderboard_name [String] Name of the leaderboard.
          @param member [String] Member name.
          @param member_data [String] Optional member data.