new(params={}) Class Public methods Initializes a new model with the given params

add_on_empty(attributes, options = {}) Instance Public methods Will add an error

validates!(*attributes) Instance Public methods This method is used to define

validate(*args, &block) Instance Public methods Adds a validation method

valid?(context = nil) Instance Public methods Runs all the specified validations

as_json(options=nil) Instance Public methods Returns a

from_json(json, include_root=include_root_in_json) Instance Public methods Sets

generate_message(attribute, type = :invalid, options = {}) Instance Public methods Translates

define_model_callbacks(*callbacks) Instance Public methods

to_key() Instance Public methods Returns an