method

to_param

v4.0.2 - Show latest stable - Class: ActiveModel::Conversion

to_param()

public

Returns a string representing the object’s key suitable for use in URLs, or nil if persisted? is false.

class Person < ActiveRecord::Base
end

person = Person.create
person.to_param # => "1"

# File activemodel/lib/active_model/conversion.rb, line 64
    def to_param
      persisted? ? to_key.join('-') : nil
    end