# AWS::SageMaker::FeatureGroup OnlineStoreSecurityConfig ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{ "KmsKeyId" : String }### YAML
KmsKeyId: String## Properties #### KmsKeyId _Required_: No _Type_: String _Maximum_:
2048
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)