# PutDeliveryDestinationPolicy
<a name="API_PutDeliveryDestinationPolicy"></a>

Creates and assigns an IAM policy that grants permissions to CloudWatch Logs to deliver logs cross-account to a specified destination in this account. To configure the delivery of logs from an Amazon service in another account to a logs delivery destination in the current account, you must do the following:
+ Create a delivery source, which is a logical object that represents the resource that is actually sending the logs. For more information, see [PutDeliverySource](https://docs.amazonaws.cn/AmazonCloudWatchLogs/latest/APIReference/API_PutDeliverySource.html).
+ Create a *delivery destination*, which is a logical object that represents the actual delivery destination. For more information, see [PutDeliveryDestination](https://docs.amazonaws.cn/AmazonCloudWatchLogs/latest/APIReference/API_PutDeliveryDestination.html).
+ Use this operation in the destination account to assign an IAM policy to the destination. This policy allows delivery to that destination. 
+ Create a *delivery* by pairing exactly one delivery source and one delivery destination. For more information, see [CreateDelivery](https://docs.amazonaws.cn/AmazonCloudWatchLogs/latest/APIReference/API_CreateDelivery.html).

Only some Amazon services support being configured as a delivery source. These services are listed as **Supported [V2 Permissions]** in the table at [Enabling logging from Amazon services.](https://docs.amazonaws.cn/AmazonCloudWatch/latest/logs/AWS-logs-and-resource-policy.html) 

The contents of the policy must include two statements. One statement enables general logs delivery, and the other allows delivery to the chosen destination. See the examples for the needed policies.

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

```
{
   "deliveryDestinationName": "string",
   "deliveryDestinationPolicy": "string"
}
```

## Request Parameters
<a name="API_PutDeliveryDestinationPolicy_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.

 ** [deliveryDestinationName](#API_PutDeliveryDestinationPolicy_RequestSyntax) **   <a name="CWL-PutDeliveryDestinationPolicy-request-deliveryDestinationName"></a>
The name of the delivery destination to assign this policy to.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 60.  
Pattern: `[\w-]*`   
Required: Yes

 ** [deliveryDestinationPolicy](#API_PutDeliveryDestinationPolicy_RequestSyntax) **   <a name="CWL-PutDeliveryDestinationPolicy-request-deliveryDestinationPolicy"></a>
The contents of the policy.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 51200.  
Required: Yes

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

```
{
   "policy": { 
      "deliveryDestinationPolicy": "string"
   }
}
```

## Response Elements
<a name="API_PutDeliveryDestinationPolicy_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_PutDeliveryDestinationPolicy_ResponseSyntax) **   <a name="CWL-PutDeliveryDestinationPolicy-response-policy"></a>
The contents of the policy that you just created.  
Type: [Policy](API_Policy.md) object

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

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

 ** ConflictException **   
This operation attempted to create a resource that already exists.  
HTTP Status Code: 400

 ** ResourceNotFoundException **   
The specified resource does not exist.  
HTTP Status Code: 400

 ** ServiceUnavailableException **   
The service cannot complete the request.  
HTTP Status Code: 500

 ** ValidationException **   
One of the parameters for the request is not valid.  
HTTP Status Code: 400

## Examples
<a name="API_PutDeliveryDestinationPolicy_Examples"></a>

### Policy to use with PutDeliveryDestination
<a name="API_PutDeliveryDestinationPolicy_Example_1"></a>

The following example creates a policy that grants permission to CloudWatch Logs to deliver logs cross-account to a destination in the current account.

#### Sample Request
<a name="API_PutDeliveryDestinationPolicy_Example_1_Request"></a>

```
POST / HTTP/1.1
Host: logs.<region>.<domain>
X-Amz-Date: <DATE>
Authorization: AWS4-HMAC-SHA256 Credential=<Credential>, SignedHeaders=content-type;date;host;user-agent;x-amz-date;x-amz-target;x-amzn-requestid, Signature=<Signature>
User-Agent: <UserAgentString>
Accept: application/json
Content-Type: application/x-amz-json-1.1
Content-Length: <PayloadSizeBytes>
Connection: Keep-Alive
X-Amz-Target: Logs_20140328.PutDeliveryDestinationPolicy
{
   "deliveryDestinationName": "DeliveryDestinationName",
   "deliveryDestinationPolicy": "{
      "Version": "2012-10-17",		 	 	 
      "Statement": [
        {
          "Sid": "AllowLogDeliveryActions",
          "Effect": "Allow",
          "Principal": {
            "AWS": "arn:aws:iam::AccountID:root"
          },
          "Action": "logs:CreateDelivery",
          "Resource": [
            "arn:aws:logs:us-east-1:AccountID:delivery-source:*",
            "arn:aws:logs:us-east-1:AccountID:delivery:*",
            "arn:aws:logs:us-east-1:AccountID:delivery-destination:*"
          ]
        }
      ]
    }"
}
```

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

For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon Command Line Interface V2](https://docs.amazonaws.cn/goto/cli2/logs-2014-03-28/PutDeliveryDestinationPolicy) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/logs-2014-03-28/PutDeliveryDestinationPolicy) 
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/logs-2014-03-28/PutDeliveryDestinationPolicy) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/logs-2014-03-28/PutDeliveryDestinationPolicy) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/logs-2014-03-28/PutDeliveryDestinationPolicy) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/logs-2014-03-28/PutDeliveryDestinationPolicy) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/logs-2014-03-28/PutDeliveryDestinationPolicy) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/logs-2014-03-28/PutDeliveryDestinationPolicy) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/logs-2014-03-28/PutDeliveryDestinationPolicy) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/logs-2014-03-28/PutDeliveryDestinationPolicy)