Deletes a specified instance launch template version. However, if the instance launch template version you intend to delete is the default version, you must use the DeleteLaunchTemplate API to delete the entire instance launch template. 

Request parameters 

Name   Type  Required Description 
Action  String  Yes  The name of this interface.  Value: DeleteLaunchTemplateVersion. 
RegionId  String Yes Region ID of the template.  For more information, call DescribeRegions to view the latest list of Alibaba Cloud regions. 
DeleteVersion.n  Long  Yes Template version number. Value range of `n`: [1, 29]. For more information, call DescribeLaunchTemplateVersions to query the template version list.
LaunchTemplateId String  No  Template ID.  Either the LaunchTemplateId or the LaunchTemplateName must be specified to determine the template.
LaunchTemplateName String  No  Template name.

Response parameters

All are common response parameters. See Common parameters.

Examples

Request example 
https://ecs.aliyuncs.com/?Action=DeleteLaunchTemplateVersion
&RegionId=cn-hangzhou
&LaunchTemplateName=lt-name1
&DeleteVersion.1=1
&<Common Request Parameters>
Response example 

XML format 

<DeleteLaunchTemplateVersionResponse>
    <RequestId>04F0F334-1335-436C-A1D7-6C044FExxxxx</RequestId>
</DeleteLaunchTemplateVersionResponse>
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 
MissingParameter The input parameter “{0}” that is mandatory 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.
InvalidOperation.DeleteDefaultVersion Delete default version from template is not allowed.  403  You cannot delete the default template version directly.