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Resource Orchestration Service:CreateTemplate

Last Updated:Apr 10, 2024

Creates a custom template.

Operation description

In this topic, a custom template named MyTemplate is created in the cn-hangzhou region. The TemplateBody parameter of the template is set to {"ROSTemplateFormatVersion": "2015-09-01"}.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • The required resource types are displayed in bold characters.
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
  • template

Request parameters


The URL of the file that contains the template body. The URL must point to a template that is located on an HTTP or HTTPS web server or in an Alibaba Cloud Object Storage Service (OSS) bucket, such as oss://ros/stack-policy/demo or oss://ros/stack-policy/demo?RegionId=cn-hangzhou. The template body must be 1 to 1,024 bytes in length. If you do not specify the region of the OSS bucket, the value of RegionId is used.

Note You must specify TemplateBody or TemplateURL.

The description of the template. The description can be up to 256 characters in length.

It is a demo.

The structure of the template body. The template body must be 1 to 524,288 bytes in length. If the length of the template body exceeds the upper limit, we recommend that you add parameters to the HTTP POST request body to prevent request failures caused by excessively long URLs.

Note You must specify TemplateBody or TemplateURL.

You can create a Terraform template based on your business requirements. The following sample code provides an example on how to create a Terraform template:

  "ROSTemplateFormatVersion": "2015-09-01",
  "Transform": "Aliyun::Terraform-v1.0",
  "Workspace": {
    "": "variable  \"name\" {  default = \"auto_provisioning_group\"}"
  "Outputs": {}

For more information about Terraform templates, see Structure of Terraform templates.


The name of the template.
The name can be up to 255 characters in length and can contain digits, letters, hyphens (-), and underscores (_). It must start with a digit or a letter.


The ID of the resource group.
For more information about resource groups, see Resource groups.

Tagsobject []No

The tags of the template.


The tag key of the template.

Note Tags is optional. If you need to specify Tags, you must also specify Key.

The tag value of the template.


For more information about common request parameters, see Common parameters.

Response parameters


The ID of the request.


The ID of the template.



Sample success responses


  "RequestId": "8C5D90E1-66B6-496C-9371-3807F8DA80A8",
  "TemplateId": "5ecd1e10-b0e9-4389-a565-e4c15efc****"

Error codes

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
2024-01-12The internal configuration of the API is changed, but the call is not affectedsee changesets
Change itemChange content
The internal configuration of the API is changed, but the call is not affected.
2022-10-27The request parameters of the API has changedsee changesets
Change itemChange content
Input ParametersThe request parameters of the API has changed.
    Added Input Parameters: Tags