public ActionHistory withEventType(String eventType) {
        setEventType(eventType);
        return this;
    }
<p>
This distinguishes between whether the events are triggered by the user or are generated by the system.
</p>

@param eventType
       This distinguishes between whether the events are triggered by the user or are generated by the system.
@return Returns a reference to this object so that method calls can be chained together.
@see EventType
aws-java-sdk-budgets/src/main/java/com/amazonaws/services/budgets/model/ActionHistory.java