         case StompAckMode.ClientMode:
             ack = StompCommands.ackClient
             break
+        case StompAckMode.ClientIndividaulMode:
+            ack = StompCommands.ackClientIndividual
+            break
         default:
             ack = StompCommands.ackAuto
             break

    static let controlChar = String(format: "%C", arguments: [0x00])
    
    // Ack Mode
    static let ackClient = "client"
    static let ackAuto = "auto"
    // Header Commands

    static let commandHeaderContentType = "content-type"
    static let commandHeaderAck = "ack"
    static let commandHeaderTransaction = "transaction"
    static let commandHeaderMessageId = "id"
    static let commandHeaderSubscription = "subscription"
    static let commandHeaderDisconnected = "disconnected"
    static let commandHeaderHeartBeat = "heart-beat"
