public String getAutomationSubtype() {
        return this.automationSubtype;
    }
<p>
The subtype of the Automation operation. Currently, the only supported value is <code>ChangeRequest</code>.
</p>

@return The subtype of the Automation operation. Currently, the only supported value is
        <code>ChangeRequest</code>.
@see AutomationSubtype
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/AutomationExecution.java