Trace Log shows datachange. How do I test this in a BPM

Epicor ERP 10
1

Here is a sample of the trace log. How do I get the changeVaule in a BPM.

The ttPoRelTGLC shows the old vaule…

Erp.Proxy.BO.POImpl
Update

  <paramDataSetChanges>
    <paramDataSet name="ds" useDataSetNbr="0">
      <changedValue tableName="PORel" rowState="Modified" rowNum="0" colName="RowMod"><![CDATA[U]]></changedValue>
      <changedValue tableName="PORel" rowState="Modified" rowNum="0" colName="Date02"><![CDATA[8/10/2017 12:00:00 AM]]></changedValue>
      <changedValue tableName="PORelTGLC" rowState="Modified" rowNum="0" colName="GLAccount"><![CDATA[102000|01]]></changedValue>
      <changedValue tableName="PORelTGLC" rowState="Modified" rowNum="0" colName="AcctOverride"><![CDATA[True]]></changedValue>
      <changedValue tableName="PORelTGLC" rowState="Modified" rowNum="0" colName="GLAccountAccountDesc"><![CDATA[Other Checking]]></changedValue>
      <changedValue tableName="PORelTGLC" rowState="Modified" rowNum="0" colName="RowMod"><![CDATA[U]]></changedValue>
    </paramDataSet>
  </paramDataSetChanges>