I'm trying to find a way to deselect a checbox if another is selected. I need it to do that in runtime while the user is filling in the form, not as a workflow. The checkboxes are all separate Yes/No fields with nested options (only visually). they can all be selected but I only want 2-3 validations. Possibly avoid a validation rule that shows an error if both are selected. and not to hide/show if another is select. All options need to be shown upfront before they can make their selection.
I know we only got the validation/format rules and I'm not sure how i go about changing a value in runtime. I don't think it is even possible in NF. And I'm not a developer, so I can't tell if it is possible with custom code.