Raised when unknown attributes are supplied via mass assignment.
class Person
include ActiveModel::AttributeAssignment
include ActiveModel::Validations
end
person = Person.new
person.assign_attributes(name: 'Gorby')
# => ActiveModel::UnknownAttributeError: unknown attribute 'name' for Person.
Methods
Attributes
| [R] | attribute | |
| [R] | record |
Class Public methods
new(record, attribute)
📝 Source code
# File activemodel/lib/active_model/errors.rb, line 511
def initialize(record, attribute)
@record = record
@attribute = attribute
super("unknown attribute '#{attribute}' for #{@record.class}.")
end