Getting Information about All Subscriptions in an Amazon SNS Topic - AWS SDK for Ruby

Getting Information about All Subscriptions in an Amazon SNS Topic

The following example lists the email addresses of the Amazon SNS subscriptions for the topic with the ARN arn:aws:sns:us-west-2:123456789:MyGroovyTopic in the us-west-2 region.

# Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# This file is licensed under the Apache License, Version 2.0 (the "License").
# You may not use this file except in compliance with the License. A copy of the
# License is located at
#
# http://aws.amazon.com/apache2.0/
#
# This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS
# OF ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.

require 'aws-sdk-sns'  # v2: require 'aws-sdk'

sns = Aws::SNS::Resource.new(region: 'us-west-2')

topic = sns.topic('arn:aws:sns:us-west-2:123456789:MyGroovyTopic')

topic.subscriptions.each do |s|
  puts s.attributes['Endpoint']
end