Need suggestion to Hide a region using SPEL.

Hi,
I want to hide 'Related Details' region(Header) from notification page if the workflow notification is a 'FYI' message.
How to do this in Standard page? can we do this using personalization?
Please suggest me.
Thanks & Regards,
Sagarika

Hi Anand,
I have gone through the link. It says about PPR event.
My requirement is like this,
I have two regions in notification page(Region1 & Region2)
From Region1 I can get the value of the message whether it is 'FYI' message or not.
based upon the message value I want to hide Region2.
My question is , how Region2 will get the message value of Region1?
I tried with SPEL.
Region1 use NotificationVO and the query is,
select notification_id, message_name, decode(message_name,'MANAP_MSG_FYI',1,0) RFlag from wf_notifications;
And Region2 contain Header region.
I want to hide Region2 using SPEL. So I set the render property of Region2 as ${oa.NotificationVO1.RFlag}
But this logic is not hiding the Region2 if its a FYI message.
Is there something I missed out here?
Please suggest.
Thanks & Regards,
Sagarika

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