Creating an Amazon SNS Topic - Amazon SDK for Ruby
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Creating an Amazon SNS Topic

The following example creates the topic MyGroovyTopic in the us-west-2 region and displays the resulting topic ARN.

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

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

topic = sns.create_topic(name: 'MyGroovyTopic')
puts topic.arn