What would be the easiest way to make it required for a user to update the "Next Step" field whenever they attempt to change the stage of an Opportunity? I think making the field required only forces it to be filled when the opportunity is created.
2 Answers
Your validation rule would be something like:
AND( ISCHANGED(OpportunityStage), NOT(ISCHANGED(NextStep)) )
So it basically reads "If OpportunityStage is being changed, but NextStep is not being changed, display a validation error."
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2
Use the ISCHANGED() formula on the field you are referencing. You can then require something to change on the field to save the record.