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This is quite an easy one to use - you choose the field to apply the filter on and apply the filter (ConfiForms Filters). One note to mention is when you apply teh filter on a smart field or on any non-simple field then you actually work on the dataset this field references. So, the filter should be constructed as you are on the dataset this smart field is using.
More about this action in the following tutorials and demos:
- Using ConfiForms Field Definition Rules macro to reduce number of choices in a dropdown field based on the value selected in another field
- Using Field Definition Rule to filter choices in another field
- Using apply filter on field rule
Apply filter based on criteria
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