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AbAb 

Make a date field mandatory depending on stage of opportunity

Hello,

I have a Date field (custom__c) on Opportunity, I want to make it mandatory if the Stage of opportunity is "stage 3", there are 5 stages in total

Thank you
Best Answer chosen by Ab
☯ BonY ☯☯ BonY ☯
Hi Sandrine,

Try this
 
and(ispickval( Stage, 'stage 3' ), isblank(custom__c) )