# UpdatePolicyTemplate Updates the specified policy template. You can update only the description and the some elements of the [policyBody](https://docs.aws.amazon.com/verifiedpermissions/latest/apireference/API_UpdatePolicyTemplate.html#amazonverifiedpermissions-UpdatePolicyTemplate-request-policyBody). **Important** Changes you make to the policy template content are immediately (within the constraints of eventual consistency) reflected in authorization decisions that involve all template-linked policies instantiated from this template. **Note** Verified Permissions is * [eventually consistent](https://wikipedia.org/wiki/Eventual_consistency) *. It can take a few seconds for a new or changed element to propagate through the service and be visible in the results of other Verified Permissions operations. ## Request Syntax ``` { "description": "string", "name": "string", "policyStoreId": "string", "policyTemplateId": "string", "statement": "string" } ``` ## Request Parameters For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md). The request accepts the following data in JSON format. **Note** In the following list, the required parameters are described first. ** [policyStoreId](#API_UpdatePolicyTemplate_RequestSyntax) ** Specifies the ID of the policy store that contains the policy template that you want to update. To specify a policy store, use its ID or alias name. When using an alias name, prefix it with `policy-store-alias/`. For example: + ID: `PSEXAMPLEabcdefg111111` + Alias name: `policy-store-alias/example-policy-store` To view aliases, use [ListPolicyStoreAliases](https://docs.aws.amazon.com/verifiedpermissions/latest/apireference/API_ListPolicyStoreAliases.html). Type: String Length Constraints: Minimum length of 1. Maximum length of 200. Pattern: `[a-zA-Z0-9-/_]*` Required: Yes ** [policyTemplateId](#API_UpdatePolicyTemplate_RequestSyntax) ** Specifies the ID of the policy template that you want to update. You can use the policy template name in place of the policy template ID. When using a name, prefix it with `name/`. For example: + ID: `PTEXAMPLEabcdefg111111` + Name: `name/example-policy-template` Type: String Length Constraints: Minimum length of 1. Maximum length of 200. Pattern: `[a-zA-Z0-9-/_]*` Required: Yes ** [statement](#API_UpdatePolicyTemplate_RequestSyntax) ** Specifies new statement content written in Cedar policy language to replace the current body of the policy template. You can change only the following elements of the policy body: + The `action` referenced by the policy template. + Any conditional clauses, such as `when` or `unless` clauses. You **can't** change the following elements: + The effect (`permit` or `forbid`) of the policy template. + The `principal` referenced by the policy template. + The `resource` referenced by the policy template. Type: String Length Constraints: Minimum length of 1. Required: Yes ** [description](#API_UpdatePolicyTemplate_RequestSyntax) ** Specifies a new description to apply to the policy template. Type: String Length Constraints: Minimum length of 0. Maximum length of 150. Required: No ** [name](#API_UpdatePolicyTemplate_RequestSyntax) ** Specifies a name for the policy template that is unique among all policy templates within the policy store. You can use the name in place of the policy template ID in API operations that reference the policy template. The name must be prefixed with `name/`. If you don't include the name in an update request, the existing name is unchanged. To remove a name, set it to an empty string (`""`). If you specify a name that is already associated with another policy template in the policy store, you receive a `ConflictException` error. Type: String Length Constraints: Minimum length of 0. Maximum length of 150. Pattern: `[a-zA-Z0-9-/_]*` Required: No ## Response Syntax ``` { "createdDate": "string", "lastUpdatedDate": "string", "policyStoreId": "string", "policyTemplateId": "string" } ``` ## Response Elements If the action is successful, the service sends back an HTTP 200 response. The following data is returned in JSON format by the service. ** [createdDate](#API_UpdatePolicyTemplate_ResponseSyntax) ** The date and time that the policy template was originally created. Type: Timestamp ** [lastUpdatedDate](#API_UpdatePolicyTemplate_ResponseSyntax) ** The date and time that the policy template was most recently updated. Type: Timestamp ** [policyStoreId](#API_UpdatePolicyTemplate_ResponseSyntax) ** The ID of the policy store that contains the updated policy template. Type: String Length Constraints: Minimum length of 1. Maximum length of 200. Pattern: `[a-zA-Z0-9-/_]*` ** [policyTemplateId](#API_UpdatePolicyTemplate_ResponseSyntax) ** The ID of the updated policy template. Type: String Length Constraints: Minimum length of 1. Maximum length of 200. Pattern: `[a-zA-Z0-9-/_]*` ## Errors For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md). ** AccessDeniedException ** You don't have sufficient access to perform this action. HTTP Status Code: 400 ** ConflictException ** The request failed because another request to modify a resource occurred at the same time. ** resources ** The list of resources referenced with this failed request. HTTP Status Code: 400 ** InternalServerException ** The request failed because of an internal error. Try your request again later HTTP Status Code: 500 ** ResourceNotFoundException ** The request failed because it references a resource that doesn't exist. ** resourceId ** The unique ID of the resource referenced in the failed request. ** resourceType ** The resource type of the resource referenced in the failed request. HTTP Status Code: 400 ** ThrottlingException ** The request failed because it exceeded a throttling quota. ** quotaCode ** The quota code recognized by the AWS Service Quotas service. ** serviceCode ** The code for the AWS service that owns the quota. HTTP Status Code: 400 ** ValidationException ** The request failed because one or more input parameters don't satisfy their constraint requirements. The output is provided as a list of fields and a reason for each field that isn't valid. The possible reasons include the following: + **UnrecognizedEntityType** The policy includes an entity type that isn't found in the schema. + **UnrecognizedActionId** The policy includes an action id that isn't found in the schema. + **InvalidActionApplication** The policy includes an action that, according to the schema, doesn't support the specified principal and resource. + **UnexpectedType** The policy included an operand that isn't a valid type for the specified operation. + **IncompatibleTypes** The types of elements included in a `set`, or the types of expressions used in an `if...then...else` clause aren't compatible in this context. + **MissingAttribute** The policy attempts to access a record or entity attribute that isn't specified in the schema. Test for the existence of the attribute first before attempting to access its value. For more information, see the [has (presence of attribute test) operator](https://docs.cedarpolicy.com/policies/syntax-operators.html#has-presence-of-attribute-test) in the *Cedar Policy Language Guide*. + **UnsafeOptionalAttributeAccess** The policy attempts to access a record or entity attribute that is optional and isn't guaranteed to be present. Test for the existence of the attribute first before attempting to access its value. For more information, see the [has (presence of attribute test) operator](https://docs.cedarpolicy.com/policies/syntax-operators.html#has-presence-of-attribute-test) in the *Cedar Policy Language Guide*. + **ImpossiblePolicy** Cedar has determined that a policy condition always evaluates to false. If the policy is always false, it can never apply to any query, and so it can never affect an authorization decision. + **WrongNumberArguments** The policy references an extension type with the wrong number of arguments. + **FunctionArgumentValidationError** Cedar couldn't parse the argument passed to an extension type. For example, a string that is to be parsed as an IPv4 address can contain only digits and the period character. ** fieldList ** The list of fields that aren't valid. HTTP Status Code: 400 ## Examples ### Example The following example updates a policy template with both a new description and a new policy body. The `effect`, `principal`, and `resource` are the same as the original policy template. Only the `action` in the head, and the `when` and `unless` clauses can be different. **Note** The JSON in the parameters of this operation are strings that can contain embedded quotation marks (`"`) within the outermost quotation mark pair. When you are calling the API directly, using a tool like the AWS CLI or Postman, you have to *stringify* the JSON object by preceding all embedded quotation marks with a backslash character ( `\"` ) and combining all lines into a single text line with no line breaks. Example strings are displayed wrapped across multiple lines here for readability, but the operation requires the parameters be submitted as single line strings. #### Sample Request ``` POST HTTP/1.1 Host: verifiedpermissions.us-east-1.amazonaws.com X-Amz-Date: 20230613T200059Z Accept-Encoding: identity X-Amz-Target: VerifiedPermissions.UpdatePolicyTemplate User-Agent: Authorization: AWS4-HMAC-SHA256 Credential=, SignedHeaders=, Signature= Content-Length: { "description": "My updated template description", "policyStoreId": "PSEXAMPLEabcdefg111111", "policyTemplateId": "PTEXAMPLEabcdefg111111", "statement":"\"ResearchAccess\"\npermit(\n principal in ?principal,\n action == Action::\"view\",\n resource in ?resource\"\n)\nwhen {\n principal has department && principal.department == \"research\"\n};", } ``` #### Sample Response ``` HTTP/1.1 200 OK Date: Tue, 13 Jun 2023 20:00:59 GMT Content-Type: application/x-amz-json-1.0 Content-Length: vary: origin vary: access-control-request-method vary: access-control-request-headers x-amzn-requestid: a1b2c3d4-e5f6-a1b2-c3d4-EXAMPLE11111 Connection: keep-alive { "policyStoreId":"PSEXAMPLEabcdefg111111", "policyTemplateId":"PTEXAMPLEabcdefg111111", "createdDate":"2023-05-17T18:58:48.795411Z", "lastUpdatedDate":"2023-05-17T19:18:48.870209Z" } ``` ## See Also For more information about using this API in one of the language-specific AWS SDKs, see the following: + [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/verifiedpermissions-2021-12-01/UpdatePolicyTemplate) + [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/verifiedpermissions-2021-12-01/UpdatePolicyTemplate) + [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/verifiedpermissions-2021-12-01/UpdatePolicyTemplate) + [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/verifiedpermissions-2021-12-01/UpdatePolicyTemplate) + [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/verifiedpermissions-2021-12-01/UpdatePolicyTemplate) + [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/verifiedpermissions-2021-12-01/UpdatePolicyTemplate) + [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/verifiedpermissions-2021-12-01/UpdatePolicyTemplate) + [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/verifiedpermissions-2021-12-01/UpdatePolicyTemplate) + [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/verifiedpermissions-2021-12-01/UpdatePolicyTemplate) + [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/verifiedpermissions-2021-12-01/UpdatePolicyTemplate)