diff --git a/app/models/block.rb b/app/models/block.rb
index 2f74650..976fb1c 100644
--- a/app/models/block.rb
+++ b/app/models/block.rb
@@ -1,4 +1,5 @@
 #It's the class that define the block's content will be displayed on box in a determined web
+require 'bli'
 class Block < ActiveRecord::Base
   include ActionView::Helpers::TagHelper
   belongs_to :box
@@ -15,6 +16,11 @@ class Block < ActiveRecord::Base
     raise _("This is a main class, don't use it")
   end
 
+def bla
+t = Tag.new
+t.bli
+end
+
   # This method always return false excepted when redefined by the MainBlock class. It mean the current block it's not the result of a
   # controller action.
   #
diff --git a/lib/bli.rb b/lib/bli.rb
new file mode 100644
index 0000000..696dd4a
--- /dev/null
+++ b/lib/bli.rb
@@ -0,0 +1,7 @@
+class Tag
+
+  def bli
+    'I am bli'
+  end
+
+end
--
libgit2 0.21.2