Using sap:external-function in XSLT

In the definition of sap:external-function I don't see any way of specifying the target system. Does this mean that the system is by default the ABAP stack on which XI is running?
<sap:external-function name="prefix:fName" method="instanceMethod" kind="instance">
 <sap:argument param="PARAM_1"/>
 <sap:argument param="PARAM_2"/>
 <sap:result param="RESULT" type="xslType"/>
</sap:external-function>
Kind Regards,
Tony.

Yes. You are right.
Nilesh

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Message was edited by:
user556027

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