ALIYUN::MNS::Topic - Resource Orchestration Service - Alibaba Cloud Documentation Center

ALIYUN::MNS::Topic is used to create a topic.

Syntax

{
  "Type": "ALIYUN::MNS::Topic",
  "Properties": {
    "LoggingEnabled": Boolean,
    "TopicName": String,
    "MaximumMessageSize": Integer
  }
}

Properties


Property	Type	Required	Editable	Description	Constraint
TopicName	String	Yes	No	The name of the topic.	The name must be unique to an Alibaba Cloud account in a region. The name can be up to 256 characters in length and can contain letters, digits, and hyphens (-). It must start with a letter.
MaximumMessageSize	Integer	No	Yes	The maximum size of a message that can be sent to the topic.	Valid values: 1024 (1 KB) to 65536 (64 KB). Unit: bytes. Default value: 65536 (64 KB).
LoggingEnabled	Boolean	No	Yes	Specifies whether to enable the log management feature.	Default value: false. Valid values: true: enables the log management feature. false: disables the log management feature.

Response parameters

Fn::GetAtt

TopicUrl: the URL of the created topic.
TopicName: the name of the created topic.
ARN.WithSlash: The ARN of the created topic.

Examples

YAMLformat

ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  TopicName:
    Type: String
    Description: Topic name
    MinLength: 1
    MaxLength: 256
Resources:
  Topic:
    Type: ALIYUN::MNS::Topic
    Properties:
      MaximumMessageSize: 1024
      LoggingEnabled: false
      TopicName:
        Ref: TopicName
Outputs:
  TopicUrl:
    Description: URL of created topic
    Value:
      Fn::GetAtt:
        - Topic
        - TopicUrl
  ARN:
    Description: The ARN for ALIYUN::ROS::CustomResource
    Value:
      Fn::GetAtt:
        - Topic
        - ARN.WithSlash
  TopicName:
    Description: Topic name
    Value:
      Fn::GetAtt:
        - Topic
        - TopicName

JSONformat

{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "TopicName": {
      "Type": "String",
      "Description": "Topic name",
      "MinLength": 1,
      "MaxLength": 256
    }
  },
  "Resources": {
    "Topic": {
      "Type": "ALIYUN::MNS::Topic",
      "Properties": {
        "MaximumMessageSize": 1024,
        "LoggingEnabled": false,
        "TopicName": {
          "Ref": "TopicName"
        }
      }
    }
  },
  "Outputs": {
    "TopicUrl": {
      "Description": "URL of created topic",
      "Value": {
        "Fn::GetAtt": [
          "Topic",
          "TopicUrl"
        ]
      }
    },
    "ARN": {
      "Description": "The ARN for ALIYUN::ROS::CustomResource",
      "Value": {
        "Fn::GetAtt": [
          "Topic",
          "ARN.WithSlash"
        ]
      }
    },
    "TopicName": {
      "Description": "Topic name",
      "Value": {
        "Fn::GetAtt": [
          "Topic",
          "TopicName"
        ]
      }
    }
  }
}