Form Personalization

In po form on approved button i want to do form personalization....

I am having one table

Table XYZ

seg1     seg2      seg3        budjet

------     -------       -------        ---------

111     72002     230051     2000

111     72007     230051     4000

select seg1,seg2,seg3, budjet from XYZ

Now i want to do form personalization such as when i press approve button i have written some procedure which will calculate the budjet available for each item and stores in one temporary table

I want to show that to user

In action

Type =message

Message Type=Show

Message Text=

=SELECT 'The net fund balance of : ' ||segment1||' - '||segment3||' - '||segment4||' is :'||sum(ROUND(TOT_BALANCE_FUND,2))||' of the period :'||period_name