lib/ably/realtime/channel/channel_properties.rb in ably-1.2.4 vs lib/ably/realtime/channel/channel_properties.rb in ably-1.2.6

@@ -16,9 +16,18 @@
       #
       # @return [String]
       #
       attr_reader :attach_serial
 
+      # ChannelSerial contains the channelSerial from latest ProtocolMessage of action type
+      # Message/PresenceMessage received on the channel.
+      #
+      # @spec CP2b, RTL15b
+      #
+      # @return [String]
+      #
+      attr_accessor :channel_serial
+
       def initialize(channel)
         @channel = channel
       end
 
       # @api private