var ably = new Ably.Realtime('1WChTA.Nzsi5g:0e1V-DTA5kHRYGyf');
var channel = ably.channels.get('age-cup');

// Publish a message to the age-cup channel
channel.publish('greeting', 'hello');
      

        AblyRealtime ably = new AblyRealtime("1WChTA.Nzsi5g:0e1V-DTA5kHRYGyf");
Channel channel = ably.channels.get("age-cup");

/* Publish a message to the age-cup channel */
channel.publish("age-cup", "hello");
      

        ARTRest realtime = [[ARTRealtime alloc] initWithKey:"1WChTA.Nzsi5g:0e1V-DTA5kHRYGyf"];
ARTRealtimeChannel *channel = [ably.channels get:@"age-cup"];

// Publish a message to the age-cup channel
[channel publish:@"greeting" data:@"hello"];
      

        let ably = ARTRealtime(key: "1WChTA.Nzsi5g:0e1V-DTA5kHRYGyf")
let channel = ably.channels.get("age-cup")

/// Publish a message to the age-cup channel
channel.publish("greeting", data: "hello")
      

        var ably = new AblyRealtime("1WChTA.Nzsi5g:0e1V-DTA5kHRYGyf");
var channel = ably.Channels.Get("age-cup");

// Publish a message to the age-cup channel
channel.Publish("greeting", "hello");
      

        var ably = new require('ably').Realtime('1WChTA.Nzsi5g:0e1V-DTA5kHRYGyf');
var channel = ably.channels.get('age-cup');

// Publish a message to the age-cup channel
channel.publish('greeting', 'hello');
      

        $ably = new Ably\AblyRest('1WChTA.Nzsi5g:0e1V-DTA5kHRYGyf');
$channel = $ably->channel('age-cup');

// Publish a message to the age-cup channel
$channel->publish('myEvent', 'Hello!');
      

        AblyRealtime ably = new AblyRealtime("1WChTA.Nzsi5g:0e1V-DTA5kHRYGyf");
Channel channel = ably.channels.get("age-cup");

/* Publish a message to the age-cup channel */
channel.publish("age-cup", "hello");
      

        # Need to wrap within an EventMachine reactor which provides an asynchronous evented framework for the library to run within.
EventMachine.run do
  ably = Ably::Realtime.new('1WChTA.Nzsi5g:0e1V-DTA5kHRYGyf')
end
channel = ably.channels.get('age-cup')

# Publish a message to the age-cup channel
channel.publish 'greeting', 'hello'
      

        ably = AblyRest('1WChTA.Nzsi5g:0e1V-DTA5kHRYGyf')
channel = ably.channels.get('age-cup')

# Publish a message to the age-cup channel
channel.publish('greeting', 'hello')
      

        options := ably.NewClientOptions("1WChTA.Nzsi5g:0e1V-DTA5kHRYGyf")
ably, err := ably.NewRealtimeClient(options)
channel := ably.Channels.Get("age-cup")

/* Publish a message to the age-cup channel */
channel.Publish("age-cup", "hello")
      

        # Copy and paste the curl command below into your console to try this demo now
# Publish a message to the age-cup channel

curl -X POST https://rest.ably.io/channels/age-cup/messages \
  -u '1WChTA.Nzsi5g:0e1V-DTA5kHRYGyf' \
  --data 'name=greeting&data=hello'
      

        // Subscribe to messages on channel
channel.subscribe('greeting', function(message) {
  alert(message.data);
});
      

        /* Subscribe to messages on channel */
MessageListener listener;
listener = new MessageListener() {
  @Override
  public void onMessage(Message message) {
    System.out.print(message.data);
  }};
};
channel.subscribe("greeting", listener);
      

        // Subscribe to messages on channel
[channel subscribe:@"greeting" callback:^(ARTMessage *message) {
  NSLog(@"%@", message.data);
}];
      

        /// Subscribe to messages on channel
channel.subscribe("greeting") { message in
  print("\(message.data)")
}
      

        /* Subscribe to messages on channel */

channel.Subscribe("greeting", (message) => {
  Console.WriteLine(message.data);
});
      

        // Subscribe to messages on channel
channel.subscribe('greeting', function(message) {
  console.log(message.data);
});
      

        // Subscribe only supported by Realtime client library SDKs such as Javascript, iOS, Android
// PHP supports history to retrieve messages over REST

$messagesPage = $channel->history();
echo($messagesPage->items[0]->data);
      

        /* Subscribe to messages on channel */

MessageListener listener;
listener = new MessageListener() {
  @Override
  public void onMessage(Message message) {
    System.out.print(message.data);
  }};
};
channel.subscribe("greeting", listener);
      

        # Subscribe to messages on channel

channel.subscribe 'greeting' do |message|
  puts message.data
end
      

        # Subscribe only supported by Realtime client library SDKs such as Javascript, iOS, Android
# Python supports history to retrieve messages over REST

message_page = channel.history()
print(messagesPage.items[0].data)
      

        /* Subscribe to messages on channel */

sub, err := channel.Subscribe()
if err != nil {
    // Handle err
}
for msg := range sub.MessageChannel() {
    fmt.Println(msg.Data)
}
      

        # Your browser is already subscribed to messages on channel age-cup
# Copy and paste the curl command into your console now to see Ably realtime in action