Hi Manu,
This can be accomplished via ERM-attribute objects.
In the ARIS Architect help you can find an example how ERM-attributes can be used to control the simulation flow here: http://<yourARISserver>/abs/help/en/handling/ba/index.htm#70006.htm.
or 'Special topics and functions\Simulation\Model\ARIS models\conditions\Example: Model an ERM attribute condition'
regards,
Koen