Access soap header

Hey there,
is there a way to read out the custom header elements of the invoking soap message in a process? E.g. a client creates a soap message, adds optional information to the header and sends it to the bpel server. In order to react on that information, the process needs to access these data.
Thanks!

Another example to look at for this is the Sabre HotelShopFlow (I’ll see if I can send you this sample - please email me). All the interesting work is done in the WSDL for the service. If the WSDL for the service defines a multi-part input message, where some parts are mapped to the SOAP header and some to the soap body, then you are in good shape and can set those parts in BPEL like any other input message data. From the enterprise.wsdl in salesforce demo:
<operation name="describeSObject">
<soap:operation soapAction=""/>
<input>
<soap:header use="literal" message="tns:Header" part="SessionHeader"/>
<soap:body parts="parameters" use="literal"/>
</input>
And then from the BPEL code, the SessionHeader is set with:
<copy>
<from variable="loginResponse" part="parameters" query="/salesforce:loginResponse/salesforce:result/salesforce:sessionId">
</from>
<to variable="headerRequest" part="SessionHeader" query="/salesforce:SessionHeader/salesforce:sessionId"/>
</copy>
Note that if the WSDL does not define the header data as a messageType, then you will need to create your own local copy of the WSDL for the service and edit it to be what you want.
(taken from one of the devloper responses to this question already available). Please let me know if you can move forward with this response.

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      <ACK>null</ACK>
      </ns2:AWB0020_MARKET_DATA_RESPONSE_ACK>
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    Thanks Mike

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