limit in expression(chart) to show just Today values

[nazaninslp]

Hi Dears

would you please help me to show just values of today in expression?

is it possible?

for example I just want show todays new subscription in chart.

sum(new_subscription) per Categories

today()

something like below chart:

Thanks

[balabhaskarqlik]

=sum({<Date_key = {'$(=Date(today()))'} >} new_subscriptions)