Sets a specified version of this template as the default version. If you do not specify a template version number when creating an instance (RunInstances), default version is used.

Request parameters

Name  Type  Required Description
Action String Yes The name of this interface. Value: ModifyLaunchTemplateDefaultVersion.
RegionId  String  Yes Region ID of the template. To view the latest list of Alibaba Cloud regions, call DescribeRegions.
DefaultVersionNumber Long Yes Sets the default version number for the instance launch template.
LaunchTemplateId String No Instance launch template ID. Either the LaunchTemplateId or  LaunchTemplateName must be specified to determine the template.
LaunchTemplateName String  No  Instance launch template name. You must specify the LaunchTemplateId or LaunchTemplateName to determine the template.

Response parameters

All are common response parameters. See Common parameters.


Request example
&<Common Request Parameters>
Response example 

XML format

JSON format
    "RequestId": "04F0F334-1335-436C-A1D7-6C044FExxxxx",

Error codes

The following error codes are specific to this interface. For more error codes, visit the API error center.

Error code Error message HTTP status code Description
InvalidLaunchTemplate.NotFound The specified LaunchTemplateId “{0}” LaunchTemplateName “{1}” is not found. 400 The specified LaunchTemplateId or LaunchTemplateName does not exist.
InvalidLaunchTemplateVersion.NotFound The specified LaunchTemplateId “{0}” Version “{1}” is not found. 400 The specified DefaultVersionNumber does not exist.
MissingParameter The input parameter “{0}” that is required for processing this request is not supplied. 400 A required parameter is missing.
InvalidParameter the parameter(s) “{0}” provided is(are) invalid. 400 The specified parameter is invalid.
InnerServiceFailed call inner service failed 403 Internal server error.