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Home/ Questions/Q 656801
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T22:45:14+00:00 2026-05-13T22:45:14+00:00

How would I validate a field only if another has been filled out In

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How would I validate a field only if another has been filled out In Ruby on Rails 2.3.5?

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  1. Editorial Team
    Editorial Team
    2026-05-13T22:45:14+00:00Added an answer on May 13, 2026 at 10:45 pm
    class Model < ActiveRecord::Base
    
      validates_presence_of :address, :if => :city?
    
    end
    

    :address and :city are both attributes of Model.

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