I think that you have to access the property id of the matched System object and use this for constructing the new System facts:<br>   <br>    id $system.getId()<br><br>-W<br><br><br><br><div class="gmail_quote">On 6 July 2011 12:21, _bart <span dir="ltr">&lt;<a href="mailto:dgrundler@doubleslash.de">dgrundler@doubleslash.de</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">If I remove  /id equals to $id  / in the WHEN part, I can set the id in the<br>
THEN part. But then the use case getOneObjectById does not work.<br>
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