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@@ -588,6 +588,26 @@ you can look up the `books.index.title` value **inside** `app/views/books/index.
NOTE: Automatic translation scoping by partial is only available from the `translate` view helper method.
+"Lazy" lookup can also be used in controllers:
+
+```yaml
+en:
+ books:
+ create:
+ success: Book created!
+```
+
+This is useful for setting flash messages for instance:
+
+```ruby
+class BooksController < ApplicationController
+ def create
+ # ...
+ redirect_to books_url, notice: t('.success')
+ end
+end
+```
+
### Interpolation
In many cases you want to abstract your translations so that **variables can be interpolated into the translation**. For this reason the I18n API provides an interpolation feature.