rails model on validation custom column name
# app/models/your_model.rb
class YourModel < ApplicationRecord
validate :custom_column_validation
private
def custom_column_validation
errors.add(:custom_column, 'Your custom validation message') if custom_column_invalid?
end
def custom_column_invalid?
# Add your custom validation logic for the 'custom_column' here
# Example: Replace the following line with your actual validation condition
custom_column.blank? || custom_column.length > 10
end
end