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Added nested attributes example for README (#4434)

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Ahmad hamza 2017-12-08 06:43:30 +05:30 • committed by Leonardo Tegon
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@ -216,7 +216,21 @@ class ApplicationController < ActionController::Base
end
```
The above works for any additional fields where the parameters are simple scalar types. If you have nested attributes (say you're using `accepts_nested_attributes_for`), then you will need to tell devise about those nestings and types. Devise allows you to completely change Devise defaults or invoke custom behaviour by passing a block:
The above works for any additional fields where the parameters are simple scalar types. If you have nested attributes (say you're using `accepts_nested_attributes_for`), then you will need to tell devise about those nestings and types:
```ruby
class ApplicationController < ActionController::Base
before_action :configure_permitted_parameters, if: :devise_controller?
protected
def configure_permitted_parameters
devise_parameter_sanitizer.permit(:sign_up, keys: [:first_name, :last_name, address_attributes: [:country, :state, :city, :area, :postal_code]])
end
end
```
Devise allows you to completely change Devise defaults or invoke custom behaviour by passing a block:
To permit simple scalar values for username and email, use this