public CostAllocationTagBackfillRequest withBackfillFrom(String backfillFrom) {
        setBackfillFrom(backfillFrom);
        return this;
    }
<p>
The date the backfill starts from.
</p>

@param backfillFrom
       The date the backfill starts from.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-costexplorer/src/main/java/com/amazonaws/services/costexplorer/model/CostAllocationTagBackfillRequest.java