[Qgis-user] Current item @value in expressions

[Enrico Ferreguti]

Is there a way to get the current item value that is being modified by
expressions.
I would like to reformat my print composer atlas for two sided printing
referencing to @value variable without success:

CASE
WHEN  floor(  @atlas_featureid/2 )*2 =  @atlas_featureid  THEN 210 - @value
ELSE  @value
END

but I get always @value....
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