Patricia, In the eSearchWidget.xml where you configure everything else. <layer>
<token/>
<definitionexpression></definitionexpression>
<enableexport>true</enableexport>
<name>Louisville Zoning</name>
<url>http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Louisville/LOJIC_LandRecords_Louisville/MapServer/2</url>
<expressions>
<expression alias="Zoning Type" textsearchlabel="Search Zoning Type:" isvaluerequired="true">
<values>
<!-- <value prompt="Example: OR1" isvaluerequired="true" userlist="all,OR1,C2,OTF" autosubmit="false" operator="AND">ZONING_CODE = '[value]'</value>
<value prompt="Example: RESIDENTIAL" isvaluerequired="true" userlist="RESIDENTIAL,OFFICE" operator="AND" autosubmit="false">ZONING_TYPE = '[value]'</value> -->
<value prompt="Example: OR1" uniquevalsfromfield="ZONING_CODE" isvaluerequired="true" autosubmit="false">ZONING_CODE = '[value]'</value>
<value prompt="Example: RESIDENTIAL" uniquevalsfromfield="ZONING_TYPE" isvaluerequired="false" autosubmit="false" operator="AND">ZONING_TYPE = '[value]'</value>
<value prompt="Example: none" uniquevalsfromfield="ZONING_NAME" isvaluerequired="true" autosubmit="false" operator="AND">ZONING_NAME = '[value]'</value>
</values>
</expression>
<expression alias="Zoning Code" textsearchlabel="Search Zoning:" isvaluerequired="true">
<values>
<value prompt="Example: OR1" userlist="OR1,C2,OTF,all" >ZONING_CODE = '[value]'</value>
<value prompt="Example: OFFICE" operator="AND">ZONING_TYPE = '[value]'</value>
</values>
</expression>
<expression alias="Zoning Name" textsearchlabel="Search Zoning Name [ Example: RES MULTI-FAMILY ]:">
<values>
<value prompt="Example: RES MULTI-FAMILY" isvaluerequired="true">upper(ZONING_NAME) LIKE upper('%[value]%')</value>
</values>
</expression>
<expression alias="Multiple Zoning Name" textsearchlabel="Search Zoning Name [ Example: RES MULTI-FAMILY ]:">
<values>
<value prompt="Example: COMMERCIAL,COMM MANUFACTURING" isvaluerequired="true">ZONING_NAME IN ('[value]')</value>
</values>
</expression>
<expression alias="Open SQL" textsearchlabel="Search by Typing Full SQL:">
<values>
<value prompt="Example: ZONING_NAME = 'COMM MANUFACTURING' AND ZONING_TYPE = 'COMMERCIAL-INDUSTRIAL'">[value]</value>
</values>
</expression>
</expressions>
<graphicalsearchlabel>Use one of the graphical search tools to select Zoning</graphicalsearchlabel>
<spatialsearchlayer>false</spatialsearchlayer>
<titlefield>ZONING_NAME</titlefield>
<fields all="true" />
<links/>
<zoomscale usegeometry="true" zoompercent="2"></zoomscale>
<autoopendatagrid>false</autoopendatagrid>
<queryattachments>false</queryattachments>
<relates/>
<symbology>
<simplefillsymbol color="0xff0000" alpha="0.5">
<outline color="0xff0000" alpha="0.8" width="2" />
</simplefillsymbol>
</symbology>
</layer>