See DocsActionOoExport or OOExport. UniWakka should give you an OpenOffice document.
See also IncludeAction and SampleBook, in case you would like to export more than one page.
OpenOffice documents (text-based, not spreadsheets or drawings) can also be 'imported' into UniWakka.
For this you'll need to use the OpenOffice2UniWakka exporter
in OpenOffice, and then paste the resulting text into a UniWakka page.
