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Get started today and find out what you can build with Pusher Use Cases Get your free account Pubsub Notifications Publish PHP Node Ruby ASP Java Python Go $pusher - trigger ( ’my-channel’ , ’my-event’ , [ ’message’ = ’hello world’ ]); PHP Node Ruby ASP Java Python Go $pusher - trigger ( ’my-channel’ , ’my-event’ , [ ’message’ = ’hello world’ ]); pusher. trigger ( ’my-channel’ , ’my-event’ , { "message" : "hello world" }); pusher. trigger ( ’my-channel’ , ’my-event’ , { message : ’hello world’ }) pusher. Trigger ( ’my-channel’ , ’my-event’ , new { message = "hello world" }); pusher. trigger ( "my-channel" , "my-event" , Collections . singletonMap ( "message" , "hello world" )); pusher. trigger ( ’my-channel’ , ’my-event’ , { ’message’ : ’hello world’ }) pusher.Trigger( "my-channel" , "my-event" , map[ string ] string { "message" : "hello world" , }) Subscribe JS Android iOS (Swift) iOS (Obj-C) var channel = pusher. subscribe ( ’my-channel’ ); channel. bind ( ’my-event’ , function ( data ) { alert( ’Received my-event with message: ’ + data .message); }); JS Android iOS (Swift) iOS (Obj-C) var channel = pusher. subscribe ( ’my-channel’ ); channel. bind ( ’my-event’ , function ( data ) { alert( ’Received my-event with message: ’ + data .message); }); Channel channel = pusher. subscribe ( "my-channel" ); channel. bind ( "my-event" , new SubscriptionEventListener () { @Override public void onEvent ( String channel, String event, String data ) { System.put.println( "Received event with data: " + data ); } }); let channel = pusher. subscribe ( "my-channel" ) channel. bind ( eventName : "my-event" , callback : { ( optionalData : Any?) - Void in if let data = optionalData { print ( "Received event with data: \(data) " ) } }) PusherChannel *channel = [pusher subscribeWithChannelName :@ "my-channel" ]; [channel bindWithEventName: @"my-event" callback:^ void ( NSDictionary *data) { NSString *message = data [@ "message" ]; NSLog (@ "message received: %@" , message); }]; Learn more Publish API Node.JS Go Python Java Kotlin Ruby const beamsClient = new PushNotifications ({ instanceId : ’YOUR_INSTANCE_ID_HERE’ , secretKey : ’YOUR_SECRET_KEY_HERE’ }); beamsClient. publishToInterests ([ ’hello’ ], { apns: { aps: { alert : ’Hello!’ } }, fcm: { notification: { title : ’Hello’ , body : ’Hello, world!’ } } }). then ( ( publishResponse ) = { console . log ( ’Just published:’ , publishResponse. publishId ); }). catch ( ( error ) = { console . error ( ’Error:’ , error); }); Node.JS Go Python Java Kotlin Ruby const beamsClient = new PushNotifications ({ instanceId : ’YOUR_INSTANCE_ID_HERE’ , secretKey : ’YOUR_SECRET_KEY_HERE’ }); beamsClient. publishToInterests ([ ’hello’ ], { apns: { aps: { alert : ’Hello!’ } }, fcm: { notification: { title : ’Hello’ , body : ’Hello, world!’ } } }). then ( ( publishResponse ) = { console . log ( ’Just published:’ , publishResponse. publishId ); }). catch ( ( error ) = { console . error ( ’Error:’ , error); }); const ( instanceId = "YOUR_INSTANCE_ID_HERE" secretKey = "YOUR_SECRET_KEY_HERE" ) beamsClient := pushnotifications.New(instanceId, secretKey) publishRequest := map[ string ] interface {}{ "apns" : map[ string ] interface {}{ "aps" : map[ string ] interface {}{ "alert" : map[ string ] interface {}{ "title" : "Hello" , "body" : "Hello, world" , }, }, }, "fcm" : map[ string ] interface {}{ "notification" : map[ string ] interface {}{ "title" : "Hello" , "body" : "Hello, world" , }, }, } pubId, err := beamsClient.PublishToInterests([] string { "hello" }, publishRequest) if err != nil { fmt.Println(err) } else { fmt. Println ( "Publish Id:" , pubId) } beams_client = PushNotifications( instance_id= ’YOUR_INSTANCE_ID_HERE’ , secret_key= ’YOUR_SECRET_KEY_HERE’ , ) response = beams_client.publish_to_interests( interests=[ ’hello’ ], publish_body={ ’apns’ : { ’aps’ : { ’alert’ : ’Hello!’ , }, }, ’fcm’ : { ’notification’ : { ’title’ : ’Hello’ , ’body’ : ’Hello, world!’ , }, }, }, ) print (response[ ’publishId’ ]) String instanceId = "YOUR_INSTANCE_ID_HERE" ; String secretKey = "YOUR_SECRET_KEY_HERE" ; PushNotifications beamsClient = new PushNotifications (instanceId, secretKey); ListStringinterests = Arrays . asList ( "donuts" , "pizza" ); MapString , MappublishRequest = new HashMap (); MapString , Stringalert = new HashMap (); alert. put ( "alert" , "hi" ); MapString , Mapaps = new HashMap (); aps. put ( "aps" , alert); publishRequest. put ( "apns" , aps); MapString , StringfcmNotification = new HashMap (); fcmNotification. put ( "title" , "hello" ); fcmNotification. put ( "body" , "Hello world" ); MapString , Mapfcm = new HashMap (); fcm. put ( "notification" , fcmNotification); publishRequest. put ( "fcm" , fcm); beamsClient.publishToInterests(interests, publishRequest); val instanceId = "YOUR_INSTANCE_ID_HERE" val secretKey = "YOUR_SECRET_KEY_HERE" val beamsClient = PushNotifications(instanceId, secretKey) val interests = listOf( "donuts" , "pizza" ) val publishRequest = hashMapOf( "apns" to hashMapOf ( "aps" to hashMapOf ( "alert" to "hi" )), "fcm" to hashMapOf ( "notification" to hashMapOf ( "title" to "hello" , "body" to "Hello world" )) ) beamsClient.publishToInterests(interests, publishRequest) Pusher :: PushNotifications .configure do |config| config. instance_id = ’YOUR_INSTANCE_ID_HERE’ config. secret_key = ’YOUR_SECRET_KEY_HERE’ end data = { apns: { aps: { alert: { title : ’Hello’ , body : ’Hello, world!’ } } }, fcm: { notification: { title : ’Hello’ , body : ’Hello, world!’ } } } Pusher :: PushNotifications . publishToInterests ( interests : [ ’hello’ ], payload : data) Learn more Trusted by Giants. Loved by developers. What can you build with Pusher? Realtime charts From dashboards to stock charts, update data instantly Read more Notifications Critical transactional information, delivered every time Read more Location tracking From food delivery to order status, realtime updates at scale Read more In app chat Bring delightful conversational experiences to all your users Read more Explore Channels use cases Explore Beams use cases We deal with student data, which comes with serious privacy requirements. We wouldn’t be able to do what we do without Pusher.” Nick Tyler Director of Engineering, GoGuardian In our time working together, Pusher has been one of our most reliable technology partners in that we haven’t experienced any issues or downtime. The service has been flawless, and their team is super knowledgeable and has been great to work with.” Connor Thielmann VP of Business Operations, ServiceTitan The developer experience for us was fantastic. When we’re working with Pusher not only do we have the trusted infrastructure partnership, we also have all of the documentation, the snippets, the client side library which has fallbacks and stuff. It makes life a lot easier.” Jeremy Bowers Director of Engineering, The Washington Post We struggled with a lot of our infrastructure to handle a sudden spike in load. We’ve had to engineer a lot of complexity there to solve that. We haven’t had to do that with Pusher.” Peter Hamilton Head of Technology, Remind We have everything you need to get you set up Docs Full reference of our APIs Learn more Tutorials Tutorials to help you get started Learn more 40+ SDKs Bring...