# GetResourcePolicy
<a name="API_GetResourcePolicy"></a>

 Retrieves the resource policy document attached to a given resource. 

 **Cross-account use:** No. You cannot perform this operation on an AWS CloudHSM resource in a different AWS account.

## Request Syntax
<a name="API_GetResourcePolicy_RequestSyntax"></a>

```
{
   "ResourceArn": "string"
}
```

## Request Parameters
<a name="API_GetResourcePolicy_RequestParameters"></a>

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.

 ** [ResourceArn](#API_GetResourcePolicy_RequestSyntax) **   <a name="CloudHSMV2-GetResourcePolicy-request-ResourceArn"></a>
Amazon Resource Name (ARN) of the resource to which a policy is attached.  
Type: String  
Pattern: `arn:aws(-(us-gov))?:cloudhsm:([a-z]{2}(-(gov|isob|iso))?-(east|west|north|south|central){1,2}-[0-9]{1}):[0-9]{12}:(backup/backup|cluster/cluster|hsm/hsm)-[2-7a-zA-Z]{11,16}`   
Required: No

## Response Syntax
<a name="API_GetResourcePolicy_ResponseSyntax"></a>

```
{
   "Policy": "string"
}
```

## Response Elements
<a name="API_GetResourcePolicy_ResponseElements"></a>

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

 ** [Policy](#API_GetResourcePolicy_ResponseSyntax) **   <a name="CloudHSMV2-GetResourcePolicy-response-Policy"></a>
The policy attached to a resource.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 20000.

## Errors
<a name="API_GetResourcePolicy_Errors"></a>

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** CloudHsmAccessDeniedException **   
The request was rejected because the requester does not have permission to perform the requested operation.  
HTTP Status Code: 400

 ** CloudHsmInternalFailureException **   
The request was rejected because of an AWS CloudHSM internal failure. The request can be retried.  
HTTP Status Code: 500

 ** CloudHsmInvalidRequestException **   
The request was rejected because it is not a valid request.  
HTTP Status Code: 400

 ** CloudHsmResourceNotFoundException **   
The request was rejected because it refers to a resource that cannot be found.  
HTTP Status Code: 400

 ** CloudHsmServiceException **   
The request was rejected because an error occurred.  
HTTP Status Code: 400

## See Also
<a name="API_GetResourcePolicy_SeeAlso"></a>

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/cloudhsmv2-2017-04-28/GetResourcePolicy) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/cloudhsmv2-2017-04-28/GetResourcePolicy) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/cloudhsmv2-2017-04-28/GetResourcePolicy) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/cloudhsmv2-2017-04-28/GetResourcePolicy) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/cloudhsmv2-2017-04-28/GetResourcePolicy) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/cloudhsmv2-2017-04-28/GetResourcePolicy) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/cloudhsmv2-2017-04-28/GetResourcePolicy) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/cloudhsmv2-2017-04-28/GetResourcePolicy) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/cloudhsmv2-2017-04-28/GetResourcePolicy) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/cloudhsmv2-2017-04-28/GetResourcePolicy)