This is kind of an oldie but a goodie, bring back to life a post from long ago just because I think validation rules are so helpful. A lot of my clients tend to go down the rules of “required” fields but that doesn’t always work. In that case, use a formula to validate fields, popping up a warning when something isn’t correct — thereby prompting the user to add in data.
In our case here, we’re going to do a rule that creates a warning if the user chooses a type of value, and we want something to clarify that value. Here, I want to create a validation so that when someone tells me that they have Goldmine as a product, I put in their version as well (other products in this picklist don’t have a version, hence the need for GM only).
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