This is the new *CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [AWS CloudFormation User Guide](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html). # AWS::EC2::Instance EnclaveOptions Indicates whether the instance is enabled for AWS Nitro Enclaves. ## Syntax To declare this entity in your CloudFormation template, use the following syntax: ### JSON ``` { "[Enabled](#cfn-ec2-instance-enclaveoptions-enabled)" : {{Boolean}} } ``` ### YAML ``` [Enabled](#cfn-ec2-instance-enclaveoptions-enabled): {{Boolean}} ``` ## Properties `Enabled` If this parameter is set to `true`, the instance is enabled for AWS Nitro Enclaves; otherwise, it is not enabled for AWS Nitro Enclaves. *Required*: No *Type*: Boolean *Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)