# AwsEcsTaskDefinitionContainerDefinitionsPortMappingsDetails
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A port mapping for the container.

## Contents
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 ** ContainerPort **   <a name="securityhub-Type-AwsEcsTaskDefinitionContainerDefinitionsPortMappingsDetails-ContainerPort"></a>
The port number on the container that is bound to the user-specified or automatically assigned host port.  
Type: Integer  
Required: No

 ** HostPort **   <a name="securityhub-Type-AwsEcsTaskDefinitionContainerDefinitionsPortMappingsDetails-HostPort"></a>
The port number on the container instance to reserve for the container.  
Type: Integer  
Required: No

 ** Protocol **   <a name="securityhub-Type-AwsEcsTaskDefinitionContainerDefinitionsPortMappingsDetails-Protocol"></a>
The protocol used for the port mapping. The default is `tcp`.  
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/AwsEcsTaskDefinitionContainerDefinitionsPortMappingsDetails) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/securityhub-2018-10-26/AwsEcsTaskDefinitionContainerDefinitionsPortMappingsDetails) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/securityhub-2018-10-26/AwsEcsTaskDefinitionContainerDefinitionsPortMappingsDetails)