Adds elements to the EventSubscriptionsList collection

C# |
[ObsoleteAttribute("The With methods are obsolete and will be removed in version 2 of the AWS SDK for .NET. See http://aws.amazon.com/sdkfornet/#version2 for more information.")] public DescribeEventSubscriptionsResult WithEventSubscriptionsList( params EventSubscription[] eventSubscriptionsList )

- eventSubscriptionsList (array<EventSubscription>[]()[][])
- The values to add to the EventSubscriptionsList collection

this instance