Calling abap method in xslt mapping?

Hi
I need to call abap method in my xslt mapping , i tried with
<sap:external-call >and <sap:external-function> .
But it is giving short dump error.
Can anybody give me proper syntax..
thanks
Prasad

Hello,
Please see the code below.
This is how u call
<sap:external-function class="ZTEST_CLASS" kind="class" method="GETRECORDCOUNT" name="ns0:GetRecordCount">
 <sap:argument param="XXXX" type="string"/>
 <sap:argument param="YYYY" type="string"/>
 <sap:result param="ZZZZ" type="string"/>
</sap:external-function>
<xsl:template match="/">
 <xsl:param name="Counter">
*And this is how u call below...
<xsl:value-of select="ns0:GetRecordCount(A,B)"/>
</xsl:template>
</xsl:transform>
Regards,

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<ORDER loops-id="ORDER">
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 <LOCNQNTY>
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 <LOCNQNTY>
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 </LOCNQNTY>
 <LOCNQNTY>
 <locationCode>005</locationCode>
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 </LOCNQNTY>
 <LOCNQNTY>
 <locationCode>006</locationCode>
 <quantityOrdered>1</quantityOrdered>
 </LOCNQNTY>
 <LOCNQNTY>
 <locationCode>007</locationCode>
 <quantityOrdered>1</quantityOrdered>
 </LOCNQNTY>
 <LOCNQNTY>
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 </LOCNQNTY>
 <LOCNQNTY>
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 <quantityOrdered>1</quantityOrdered>
 </LOCNQNTY>
 <LOCNQNTY>
 <locationCode>082</locationCode>
 <quantityOrdered>2</quantityOrdered>
 </LOCNQNTY>
 <unDefData></unDefData>
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 <LOCNQNTY>
 <locationCode>004</locationCode>
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 </LOCNQNTY>
 <LOCNQNTY>
 <locationCode>005</locationCode>
 <quantityOrdered>2</quantityOrdered>
 </LOCNQNTY>
 <LOCNQNTY>
 <locationCode>006</locationCode>
 <quantityOrdered>1</quantityOrdered>
 </LOCNQNTY>
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 <LOCNQNTY>
 <locationCode>009</locationCode>
 <quantityOrdered>1</quantityOrdered>
 </LOCNQNTY>
 <LOCNQNTY>
 <locationCode>021</locationCode>
 <quantityOrdered>1</quantityOrdered>
 </LOCNQNTY>
 <LOCNQNTY>
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</PRODQNTY>
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<?xml version="1.0" encoding="UTF-8"?>
<ORDERS05>
 
 
 <IDOC BEGIN="1" />
 
 
 <IDOC BEGIN="1" />
 
 
 <IDOC BEGIN="1" />
 
 
 <IDOC BEGIN="1" />
 
 
 <IDOC BEGIN="1" />
 
 
 <IDOC BEGIN="1" />
 
 
 <IDOC BEGIN="1" />
 
 
 <IDOC BEGIN="1" />
</ORDERS05>
Output from sapxmltoolkit.jar - 1 record per locationCode per PRODQNTY line so I get a non unique set of locationCodes: (every location twice in this example - and with 16 order lines, every location 16 times and 128 IDOCs (instead of 8 IDOCs).
<?xml version="1.0" encoding="utf-8"?>
<ORDERS05>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>


<IDOC BEGIN="1"/>
</ORDERS05>

A bit more heartache & trials and I solved it
The key defition is unstable in XSLT the way I defined it
Simple change to the XSLT: remove the PRODQNTY node reference from the match attribute:
incorrect key:
<xsl:key name="partner-ids" match="PRODQNTY/LOCNQNTY" use="locationCode"/>
correct key:
<xsl:key name="partner-ids" match="LOCNQNTY" use="locationCode"/>
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<xsl:for-each select="PRODQNTY/LOCNQNTY[count(.|key('partner-ids',locationCode)[1])=1]">
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