// build.gradle
  dependencies {
      implementation "com.google.firebase:firebase-core:17.2.0"
      implementation "com.google.firebase:firebase-messaging:20.0.0"

      compile 'com.cloudfiveapp:push-android:1.1.0'
  }

  // AndroidManifest.xml
  <uses-library
      android:name="org.apache.http.legacy"
      android:required="false" />

  # Podfile
  pod "CloudFivePush"

  $ cordova plugin add \
      https://github.com/tenforwardconsulting/cloud-five-push-plugin.git

    @Override
    public void onCreate() {
        super.onCreate();
        CloudFivePush.configure(this);
    }

    // Register for broadcast notifications
    CloudFivePush.register();

    // Pass in a custom user identifier to target specific users
    CloudFivePush.register('user@example.com');

  //Register for broadcast notifications
  [CloudFivePush register];

  // Pass in a custom user identifier to target specific users
  [CloudFivePush registerWithUserIdentifier: @"user@example.com"];

  // Register for broadcast notifications
  CloudFivePush.register();

  // Pass in a custom user identifier to target specific users
  CloudFivePush.register('user-identifer');

  CloudFivePush.api_key = "my_api_key"

  # Send a broadcast notification to all your users
  CloudFivePush.broadcast! "Hello from Cloudfive!"

  # Send a notification to just some of your users
  # A single user identifier can be passed in to the notify! method
  CloudFivePush.notify! "Hello from Cloudfive!", 'the-user-identifier'
  # or you can pass in an array of user identifiers
  CloudFivePush.notify! "Hey there!", ['one', 'another', 'the-third']

  import CloudFivePush;

  CloudFivePush.Notification notification =
      new CloudFivePush.Notification("my_api_key");

  // Send a broadcast notification to all your users
  notification.Broadcast("Hello from Cloudfive!");

  // Send to an individual user
  notification.Notify("Your Notification Message", "user-identifier");

  $ curl --data "audience=broadcast&alert=Hello%20from%20Cloud%20Five\
     &api_key=my_api_key" \
     https://www.cloudfiveapp.com/push/notify