AWS SDK for .NET Documentation
Key Property
AmazonAmazon.CloudFormation.ModelTagKey Did this page help you?   Yes   No    Tell us about it...
Required. A string used to identify this tag. You can specify a maximum of 128 characters for a tag key. Tags owned by Amazon Web Services (AWS) have the reserved prefix: aws:.
Declaration Syntax
C#
public string Key { get; set; }

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