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    Resource Orchestration Service:ALIYUN::CEN::CenInstance

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    Resource Orchestration Service:ALIYUN::CEN::CenInstance

    Last Updated:Jun 10, 2026

    ALIYUN::CEN::CenInstance creates a Cloud Enterprise Network (CEN) instance.

    Syntax

    {
  "Type": "ALIYUN::CEN::CenInstance",
  "Properties": {
    "Description": String,
    "Name": String,
    "ProtectionLevel": String,
    "ResourceGroupId": String,
    "Tags": List
  }
}

    Properties

    Property

    Type

    Required

    Editable

    Description

    Constraint

    Description

    String

    No

    Yes

    The CEN instance description.

    2 to 256 characters. Must start with a letter. Cannot start with http:// or https://.

    Name

    String

    No

    Yes

    The CEN instance name.

    2 to 128 characters. Must start with a letter. Cannot start with http:// or https://. Can contain letters, digits, periods (.), underscores (_), and hyphens (-).

    ProtectionLevel

    String

    No

    No

    The CIDR block overlap level.

    Valid value: REDUCED. CIDR blocks can overlap but cannot be identical.

    ResourceGroupId

    String

    No

    Yes

    The resource group ID.

    None.

    Tags

    List

    No

    Yes

    The CEN instance tags.

    Maximum: 20.

    Tags properties.

    Tags syntax

    "Tags": [
  {
    "Key": String,
    "Value": String
  }
]

    Tags properties

    Property

    Type

    Required

    Editable

    Description

    Constraint

    Key

    String

    Yes

    No

    The tag key.

    1 to 128 characters. Cannot contain http:// or https://. Cannot start with aliyun or acs:.

    Value

    String

    No

    No

    The tag value.

    Up to 128 characters. Cannot contain http:// or https://. Cannot start with aliyun or acs:.

    Return values

    Fn::GetAtt

    • CenId: the CEN instance ID.

    • Arn: the Alibaba Cloud Resource Name (ARN).

    Examples

    YAML format

    ROSTemplateFormatVersion: '2015-09-01'
Parameters: {}
Resources:
  CenInstance:
    Type: ALIYUN::CEN::CenInstance
    Properties:
      Name: TestCen
Outputs:
  CenId:
    Description: The ID of the request.
    Value:
      Fn::GetAtt:
        - CenInstance
        - CenId

    JSON format

    {
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
  },
  "Resources": {
    "CenInstance": {
      "Type": "ALIYUN::CEN::CenInstance",
      "Properties": {
        "Name": "TestCen"
      }
    }
  },
  "Outputs": {
    "CenId": {
      "Description": "The ID of the request.",
      "Value": {
        "Fn::GetAtt": [
          "CenInstance",
          "CenId"
        ]
      }
    }
  }
}