ALIYUN::OOS::Parameter is used to create a common parameter.

Syntax

{
  "Type": "ALIYUN::OOS::Parameter",
  "Properties": {
    "Type": String,
    "Constraints": String,
    "Description": String,
    "Value": String,
    "Name": String
  }
}

Properties

Property Type Required Editable Description Constraint
Type String Yes No The data type of the parameter. Valid values:
  • String
  • StringList
Constraints String No No The constraints of the parameter. Valid values:
  • AllowedValues: the valid values of the parameter. This value can be a string in the array format.
  • AllowedPattern: the regular expression of the parameter.
  • MinLength: the minimum length of the parameter.
  • MaxLength: the maximum length of the parameter.
Description String No Yes The description of the parameter. The description can be up to 200 characters in length.
Value String Yes Yes The parameter value. The parameter value can be up to 4,096 characters in length.
Name String Yes No The name of the parameter. The name can be up to 200 characters in length. It cannot start with ALIYUN, ACS, ALIBABA, ALICLOUD, or OOS. It can contain letters, digits, hyphens (-), and underscores (_).

Response parameters

Fn::GetAtt

  • Name: the name of the parameter.
  • Value: the value of the parameter.

Examples

JSON format 

{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "Type": {
      "Type": "String",
      "Description": "The data type of the common parameter. \nValid values: String and StringList.",
      "AllowedValues": [
        "String",
        "StringList"
      ]
    },
    "Description": {
      "Type": "String",
      "Description": "The description of the parameter. \nThe description must be 1 to 200 characters in length."
    },
    "Constraints": {
      "Type": "String",
      "Description": "The constraints of the parameter. \nBy default, this parameter is null. Valid values:\nAllowedValues: The value that is allowed for the parameter. It must be an array string.\nAllowedPattern: The pattern that is allowed for the parameter. It must be a regular expression.\nMinLength: The minimum length of the parameter.\nMaxLength: The maximum length of the parameter."
    },
    "Value": {
      "Type": "String",
      "Description": "The value of the parameter. \nThe value must be 1 to 4096 characters in length."
    },
    "Name": {
      "Type": "String",
      "Description": "The name of the parameter. \nThe name must be 1 to 200 characters in length,and can contain letters, digits, hyphens (-), and underscores (_). \nIt cannot start with ALIYUN, ACS, ALIBABA, ALICLOUD, or OOS."
    }
  },
  "Resources": {
    "Parameter": {
      "Type": "ALIYUN::OOS::Parameter",
      "Properties": {
        "Type": {
          "Ref": "Type"
        },
        "Description": {
          "Ref": "Description"
        },
        "Constraints": {
          "Ref": "Constraints"
        },
        "Value": {
          "Ref": "Value"
        },
        "Name": {
          "Ref": "Name"
        }
      }
    }
  },
  "Outputs": {
    "Value": {
      "Description": "The Value of the parameter.",
      "Value": {
        "Fn::GetAtt": [
          "Parameter",
          "Value"
        ]
      }
    },
    "Name": {
      "Description": "The Name of the parameter.",
      "Value": {
        "Fn::GetAtt": [
          "Parameter",
          "Name"
        ]
      }
    }
  }
}

YAML format 

ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  Type:
    Type: String
    Description: |-
      The data type of the common parameter. 
      Valid values: String and StringList.
    AllowedValues:
      - String
      - StringList
  Description:
    Type: String
    Description: |-
      The description of the parameter. 
      The description must be 1 to 200 characters in length.
  Constraints:
    Type: String
    Description: >-
      The constraints of the parameter. 

      By default, this parameter is null. Valid values:

      AllowedValues: The value that is allowed for the parameter. It must be an
      array string.

      AllowedPattern: The pattern that is allowed for the parameter. It must be
      a regular expression.

      MinLength: The minimum length of the parameter.

      MaxLength: The maximum length of the parameter.
  Value:
    Type: String
    Description: |-
      The value of the parameter. 
      The value must be 1 to 4096 characters in length.
  Name:
    Type: String
    Description: >-
      The name of the parameter. 

      The name must be 1 to 200 characters in length,and can contain letters,
      digits, hyphens (-), and underscores (_). 

      It cannot start with ALIYUN, ACS, ALIBABA, ALICLOUD, or OOS.
Resources:
  Parameter:
    Type: 'ALIYUN::OOS::Parameter'
    Properties:
      Type:
        Ref: Type
      Description:
        Ref: Description
      Constraints:
        Ref: Constraints
      Value:
        Ref: Value
      Name:
        Ref: Name
Outputs:
  Value:
    Description: The Value of the parameter.
    Value:
      'Fn::GetAtt':
        - Parameter
        - Value
  Name:
    Description: The Name of the parameter.
    Value:
      'Fn::GetAtt':
        - Parameter
        - Name