public String getInstanceId() {
        return this.instanceId;
    }
<p>
(Required) The ID of the managed node targeted by the command. A <i>managed node</i> can be an Amazon Elastic
Compute Cloud (Amazon EC2) instance, edge device, and on-premises server or VM in your hybrid environment that is
configured for Amazon Web Services Systems Manager.
</p>

@return (Required) The ID of the managed node targeted by the command. A <i>managed node</i> can be an Amazon
        Elastic Compute Cloud (Amazon EC2) instance, edge device, and on-premises server or VM in your hybrid
        environment that is configured for Amazon Web Services Systems Manager.
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/GetCommandInvocationRequest.java