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

@param automationSubtype
       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