This class is the starting point for working with Amazon Simple Notification Service (SNS).
To use Amazon SNS you must first [sign up here](aws.amazon.com/sns/).
For more information about Amazon SNS:
# Credentials
You can setup default credentials for all AWS services via AWS.config:
AWS.config( :access_key_id => 'YOUR_ACCESS_KEY_ID', :secret_access_key => 'YOUR_SECRET_ACCESS_KEY')
Or you can set them directly on the SNS interface:
sns = AWS::SNS.new( :access_key_id => 'YOUR_ACCESS_KEY_ID', :secret_access_key => 'YOUR_SECRET_ACCESS_KEY')
@!attribute [r] client
@return [Client] the low-level SNS client object
@return [SubscriptionCollection] Returns a subscription
collection for managing SNS subscriptions.