// match-making definition name to remove items frommatchingName :="levelAndRank"// Unique ID list of items to be removedidlist := []string{ roomIDA, roomIDB }// relayLimit is the number of server nodes to send the data to at a time:// Greater the value, the faster and more CPU intense it isrelayLimit :=2matching.Remove(matchingName, idlist, relayLimit)