# AwsEcsServicePlacementStrategiesDetails
<a name="API_AwsEcsServicePlacementStrategiesDetails"></a>

A placement strategy that determines how to place the tasks for the service.

## Contents
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 ** Field **   <a name="securityhub-Type-AwsEcsServicePlacementStrategiesDetails-Field"></a>
The field to apply the placement strategy against.  
For the `spread` placement strategy, valid values are `instanceId` (or `host`, which has the same effect), or any platform or custom attribute that is applied to a container instance, such as `attribute:ecs.availability-zone`.  
For the `binpack` placement strategy, valid values are `cpu` and `memory`.  
For the `random` placement strategy, this attribute is not used.  
Type: String  
Pattern: `.*\S.*`   
Required: No

 ** Type **   <a name="securityhub-Type-AwsEcsServicePlacementStrategiesDetails-Type"></a>
The type of placement strategy.  
The `random` placement strategy randomly places tasks on available candidates.  
The `spread` placement strategy spreads placement across available candidates evenly based on the value of `Field`.  
The `binpack` strategy places tasks on available candidates that have the least available amount of the resource that is specified in `Field`.  
Valid values: `random` \$1 `spread` \$1 `binpack`   
Type: String  
Pattern: `.*\S.*`   
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/securityhub-2018-10-26/AwsEcsServicePlacementStrategiesDetails) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/securityhub-2018-10-26/AwsEcsServicePlacementStrategiesDetails) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/securityhub-2018-10-26/AwsEcsServicePlacementStrategiesDetails)