An object that holds a dictionary of attributes (number or string), indexed by the attribute name. The attributes are compared against the corresponding filters defined in the matchmaking config and used to segment the ticket population into pools. The default pool is used if a pool isn't provided.

A list of players.

A logical grouping of tickets, where tickets get considered for matchmaking together. Has to match one of the queue names in the matchmaking config. If not provided, the default queue will be used.