# AWS::S3Outposts::Endpoint NetworkInterface The container for the network interface. ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{
    "NetworkInterfaceId" : String
}
### YAML
NetworkInterfaceId: String
## Properties #### NetworkInterfaceId _Required_: Yes _Type_: String _Minimum_: 1 _Maximum_: 100 _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)