Get a process variable's value to set a task's time constraints

Hi,
I want to have my task expiration times determined by a process variable (Data Object Artifact) that defines a task's "time to live".
The problem is that I don't have visibility of the process variables inside the Time Constraint's Expression editor.
Is there a way to get a value of a process variable inside a task without modifying the Web Dynpro associated with the task?
Thank you,
Pietro

Hi Pietro,
As the task is associated with the WD mapped to it, we will be able to access only the WD Interface controller context associated with it and also few other Task attributes.
Regards,
Unni

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