<Field id="typePart">
<Label>Part To Be Search</Label>
...
...
</Field >
<RelatedObject>
<Label>Specifications</Label>
<FieldType>select</FieldType>
...
<Options><![CDATA[{
"repopulateOn":{
"field":"typePart",
"autocompletehandler":"com.technia.helium.form.create.handler.PartSpecificationsyAutoCompleteHandler"
},
....
}]]>
</Options>
</RelatedObject>