Map source columns to destination columns. Exclude some columns

<?xml version="1.0" encoding="UTF-8"?>
<scenario>
     <name>Map source columns to destination columns. Exclude some columns</name>
     <script>map_fields</script>
     <driver>auto</driver>
     <sources>
          <source>
               <name>employee_source</name>
               <extract>
                    <sql>select * from employee</sql>
               </extract>
          </source>

</sources>
     <destinations>
          <destination>
               <name>employee_map_fields</name>
               <source>employee_source</source>
               <metadata>yes</metadata>
               <load>
                   <variables>
                      <EMP_EMPNO field="EMPNO" />
                      <EMP_FIRSTNME field="FIRSTNME" />
                      <EMP_MIDINIT field="MIDINIT" />
                      <EMP_LASTNAME field="LASTNAME" />
                      <EMP_WORKDEPT field="WORKDEPT" />
                      <EMP_PHONENO field="PHONENO" />
                      <EMP_HIREDATE field="HIREDATE" />
                      <EMP_JOB field="JOB" />
                      <EMP_EDLEVEL field="EDLEVEL" />
                      <EMP_SEX field="SEX" include="false" />
                      <EMP_BIRTHDATE field="BIRTHDATE" />
                      <EMP_SALARY field="SALARY" />
                      <EMP_BONUS field="BONUS" include="false" />
                      <EMP_COMM field="COMM" />
                   </variables>
               </load>
          </destination>
     </destinations>
</scenario>