public GetScheduleGroupResult withLastModificationDate(java.util.Date lastModificationDate) {
        setLastModificationDate(lastModificationDate);
        return this;
    }
<p>
The time at which the schedule group was last modified.
</p>

@param lastModificationDate
       The time at which the schedule group was last modified.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-scheduler/src/main/java/com/amazonaws/services/scheduler/model/GetScheduleGroupResult.java