instance method `messages_for`

Ruby on Rails 8.0.4

Since v6.1.7.10

Available in: v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

messages_for(attribute)

Returns all the error messages for a given attribute in an array.

class Person
  validates_presence_of :name, :email
  validates_length_of :name, in: 5..30
end

person = Person.create()
person.errors.messages_for(:name)
# => ["is too short (minimum is 5 characters)", "can't be blank"]

Parameters

attribute req

Source

# File activemodel/lib/active_model/errors.rb, line 444
    def messages_for(attribute)
      where(attribute).map(&:message)
    end

Defined in activemodel/lib/active_model/errors.rb line 444 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveModel::Errors

Signature

Parameters