How to send Attachments vis web service response?

Have created a custom plsql type webservice.
How do we send a file(say a blob object) as an attachment?
Cannot be sent as a blob object return parameter.
Any body have encountered this requirement?

Hi Abdullah,
this is only possible if there is an extension scenario for the Query "Outbound" available. You added already the "Inbound" Query but I am pretty sure that there is a second scenario for the QueryCustomerIn for the "Outbound".
Just check out the available options of the process extension scenario you are using already and you will find it. Check it, activate your xbo and the response should also have your field
Cheers,
Jens

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