public void setPortName(String portName) {
        this.portName = portName;
    }
<p>
The <code>portName</code> must match the name of one of the <code>portMappings</code> from all the containers in
the task definition of this Amazon ECS service.
</p>

@param portName
       The <code>portName</code> must match the name of one of the <code>portMappings</code> from all the
       containers in the task definition of this Amazon ECS service.
aws-java-sdk-ecs/src/main/java/com/amazonaws/services/ecs/model/ServiceConnectService.java