AWS SDK for .NET Documentation
Capabilities Property
AmazonAmazon.CloudFormation.ModelUpdateStackRequestCapabilities Did this page help you?   Yes   No    Tell us about it...
The list of capabilities that you want to allow in the stack. If your stack contains IAM resources, you must specify the CAPABILITY_IAM value for this parameter; otherwise, this action returns an InsufficientCapabilities error. IAM resources are the following: AWS::IAM::AccessKey, AWS::IAM::Group, AWS::IAM::Policy, AWS::IAM::User, and AWS::IAM::UserToGroupAddition.
Declaration Syntax
C#
public List<string> Capabilities { get; set; }

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