def modify(options = {})
      options = options.merge(subscription_name: @name)
      resp = @client.modify_event_subscription(options)
      EventSubscription.new(
        name: resp.data.event_subscription.cust_subscription_id,
        data: resp.data.event_subscription,
        client: @client
      )
    end
def modify(options = {})
      options = options.merge(subscription_name: @name)
      resp = @client.modify_event_subscription(options)
      EventSubscription.new(
        name: resp.data.event_subscription.cust_subscription_id,
        data: resp.data.event_subscription,
        client: @client
      )
    end
@example Request syntax with placeholder values

   eventsubscription = event_subscription.modify({
     sns_topic_arn: "String",
     source_type: "String",
     event_categories: ["String"],
     enabled: false,
   })
 @param [Hash] options ({})
 @option options [String] :sns_topic_arn
   The Amazon Resource Name (ARN) of the SNS topic created for event
   notification. The ARN is created by Amazon SNS when you create a topic
   and subscribe to it.
 @option options [String] :source_type
   The type of source that is generating the events. For example, if you
   want to be notified of events generated by a DB instance, you would
   set this parameter to db-instance. if this value is not specified, all
   events are returned.

   Valid values: db-instance \| db-parameter-group \| db-security-group
   \| db-snapshot
 @option options [Array<String>] :event_categories
   A list of event categories for a SourceType that you want to subscribe
   to. You can see a list of the categories for a given SourceType in the
   [Events][1] topic in the *Amazon RDS User Guide* or by using the
   **DescribeEventCategories** action.



   [1]: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_Events.html
 @option options [Boolean] :enabled
   A Boolean value; set to **true** to activate the subscription.
 @return [EventSubscription]