calling soap service form vbcs -gives unauthorized error

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Hi ,

I need to call a BI publisher report form vbcs,

Because i cannot see a rest way to do that- i am trying with soap-

I have tried to send the request with postman and it worked,

the request url : https://****-test.fa.em2.oraclecloud.com/xmlpserver/services/ExternalReportWSSService

method: post .

soap body :

<?xml version="1.0" encoding="utf-8"?>

            <soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:pub="http://xmlns.oracle.com/oxp/service/PublicReportService">

                <soap:Header/>

                <soap:Body>

                    <pub:runReport>

                        <pub:reportRequest> 

                            <pub:attributeFormat>xml</pub:attributeFormat>

                            <pub:attributeLocale>English</pub:attributeLocale> 

                            <pub:attributeUILocale>English</pub:attributeUILocale>