AWS SDK for .NET Documentation
PrivateIpAddress Property
AmazonAmazon.EC2.ModelAssociateAddressRequestPrivateIpAddress Did this page help you?   Yes   No    Tell us about it...
The primary or secondary private IP address to associate with the Elastic IP address. If no private IP is specified, the Elastic IP address is associated with the primary private IP address. This is only available in Amazon VPC.
Declaration Syntax
C#
public string PrivateIpAddress { get; set; }

Assembly: AWSSDK (Module: AWSSDK) Version: 1.5.60.0 (1.5.60.0)