Container Operation step in User Decision

Hi,

I have used one set container operation step in one of the user decision task. But it seems it is not working inside the user decision step.

I have checked the SWI1 log as well, but it is bypassing it.(screen shot attached from Workflow and SWI1).

Please sugegst that can we use container operation step inside the user decision task.

SWI1 log as well ( Not setting the variabl)e

Regads,

Priyanka