How to store the ino:docname

I’m trying to save an XML document and want to give it an ino:docname. This fails with a message that the attribute is illegal.

<Doc @ino:docname=“test” xmlns:ino=“http://namespaces.softwareag.com/tamino/response2”>
And this is some text

Have you tried put the docname at the end of the URL?

Something of the form:

http://host/tamino/db/collection/doctype/docname