set read right / access_team_id

I wrote a workflow / job management tool and add appointments to
OpenGroupware via the XML-RPC. So far everything works as expected but I
could not find out how to change the read access of an new or existing
appointment. In the OGo Database I found the date_x.access_team_id which
is null by default, thus the read access is private. I browsed already
the source of the XML RPC to find out if I miss any fields that are not
described in the XML RPC documentation... but no luck...
I also tried to change the field default from null to some group id, but
that doesn't work either, new entries are still "null", I guess the XML
RPC sets it to private implicit.

Was anyone successful changing the read access of an appointment?

-- 
Yours sincerely,

Mirco Bauer

Linux-Administration
System-Development
Network-Support
GSD Software Design GmbH
<http://www.gsd-software.net>
<[email protected]>
+49 40 72692504

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