README.md in devise_oam-0.0.4 vs README.md in devise_oam-0.0.5

@@ -6,11 +6,11 @@
 integration with Oracle Access Manager. 
 
 ## Installation
 In **Rails 3**, add this to your Gemfile and run the `bundle` command.
 
-    gem "devise_oam", "~> 0.0.4"
+    gem "devise_oam", "~> 0.0.5"
 
 ## Usage
 1) Add the `HeaderAuthenticatable` strategy in devise initializer `config/initializers/devise.rb`:
 
 ```ruby
@@ -37,11 +37,11 @@
 * `user_login_field` - login field for the user model (should be unique)
 * `create_user_if_not_found` - if set to true this will create a new user if no user was found
 * `create_user_method` - method in the `user_class` to handle new user creation
 * `ldap_header` - HTTP header for LDAP roles
 * `update_user_method` - method in the `user_class` to handle updating user roles and additional attributes
-* `attr_headers` - headers with additional attributes that are passed to `update_user_method`
+* `attr_headers` - headers with additional attributes that are passed to `create_user_method` and `update_user_method`
 
 `roles_setter` should still work, but is deprecated
 
 ### Automatic user creation
 If you need to automatically create new users based on `oam_header` you need to do the following:
@@ -58,9 +58,33 @@
 1. Set `ldap_header` setting to the HTTP header with roles (should be a comma separated string)
 2. Add a method to your user class that will accept an array with roles and update the user
 3. In the initializer set `update_user_method` setting to the method you've just created
 
 For an example see `test/dummy` app.
+
+### Passing additional attributes
+```ruby
+DeviseOam.setup do |config|
+  ...
+  config.user_class = "User"
+  config.create_user_method = :create_oam_user
+  config.update_user_method = :update_oam_user
+  config.attr_headers = %w(ATTR_1, ATTR_2) # http headers with attributes
+end
+
+class User
+  ...
+  def create_oam_user(attributes)
+    attributes[:attr_1] # --> value from ATTR_1 header
+  end
+
+  def update_oam_user(roles, attributes)
+    attributes[:attr_1] # --> value from ATTR_1 header
+  end
+  ...
+end
+
+```
 
 ## Links
 * [Devise](https://github.com/plataformatec/devise)
 * [Warden authentication strategies](https://github.com/hassox/warden/wiki/Strategies)
 
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