# 22. Virtuoso Functions Guide - BPEL.BPEL.setVariableData

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## BPEL.BPEL.setVariableData

sets BPEL variable data within code invoked from <bpelv:exec binding="SQL"> activity
BPEL.BPEL.setVariableData (in var_name varchar, in value any, in part varchar, in query varchar);
Parameters
var_name – varchar the name of BPEL variable
value – any the value to be set. Can be XML tree or varchar
part – varchar default null the part of BPEL variable in question.
query – varchar default null XPATH query for selecting data in the BPEL variable
Return Types

this function has no return value.

Description

BPEL.BPEL.setVariableData

Sets the data selected by "query" in the part (named by "part" argument) of the BPEL variable. If there is no variable with such name or the query contains syntax errors or if its evaluation signals a run time error, the appropriate error is signaled.

This procedure may only be used in Virtuoso/PL code invoked from a BPEL process.

Examples
Simple example

    declare country any;

    ...

    if (country is null)
      BPEL.BPEL.setVariableData ('res',
    	xtree_doc ('Unknown'),
    	'repl_payload');
     else
      BPEL.BPEL.setVariableData ('res',
    	country,
    	'repl_payload',
    	'/destResponse/country');