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Rung41
Prevent specific field change once it's been updated
Currently have a Event picklist field with the values of Yes and No that is prepopulated with No when an Event is created. Once the user changes the picklist field to Yes, I want to use a validation rule prevent them from changing it back to No. The issue I am running into is that every validation rule I have tried prevents them from editing any other field on the record and not just the specific picklist field.
Here is my current validation rule: AND(
ISPICKVAL(PRIORVALUE(Sales_Call_Completed__c),"Yes"))
That would say that it's currently set to No and the prior value was set to Yes.
All Answers
That would say that it's currently set to No and the prior value was set to Yes.
AND( ISPICKVAL(PRIORVALUE(Sales_Call_Completed__c), "Yes"), ISPICKVAL(Sales_Call_Completed__c, "No") )