```ruby
# Users Registered User Event definition
#
# Copyright (C) 2013 Mohammed Morsi <mo@morsi.org>
# Licensed under the AGPLv3+ http://www.gnu.org/licenses/agpl.txt

require 'omega/server/event'

module Users
module Events

# Spawned by the local users subsystem
class RegisteredUser < Omega::Server::Event
  TYPE = 'registered_user'

  # Handle to user that was registered
  attr_accessor :user

  # RegisteredUser Event intializer
  def initialize(args={})
    attr_from_args args, :user => nil
    id = "#{TYPE}-#{user.nil? ? nil : user.id}"
    super(:id => id, :type => TYPE)
  end

  def event_args
    [user]
  end

  # Convert event to json representation and return it
  def to_json(*a)
    {
      'json_class' => self.class.name,
      'data'       => {:user => @user}
    }.to_json(*a)
  end

end # class RegisteredUser
end # module Events
end # module Users
```

Change RegisteredUser::TYPE to symbol for consistency
user
```ruby
# Users Registered User Event definition
#
# Copyright (C) 2013 Mohammed Morsi <mo@morsi.org>
# Licensed under the AGPLv3+ http://www.gnu.org/licenses/agpl.txt

require 'omega/server/event'

module Users
module Events

# Spawned by the local users subsystem
class RegisteredUser < Omega::Server::Event
  TYPE = :registered_user

  # Handle to user that was registered
  attr_accessor :user

  # RegisteredUser Event intializer
  def initialize(args={})
    attr_from_args args, :user => nil
    id = "#{TYPE}-#{user.nil? ? nil : user.id}"
    super(:id => id, :type => TYPE.to_s)
  end

  def event_args
    [user]
  end

  # Convert event to json representation and return it
  def to_json(*a)
    {
      'json_class' => self.class.name,
      'data'       => {:user => @user}
    }.to_json(*a)
  end

end # class RegisteredUser
end # module Events
end # module Users
```
assistant