Create block_name.rst.inc

Author: webda2l

reference/forms/types/options/block_name.rst.inc

@@ -0,0 +1,7 @@
+block_name
+~~~~~~~~~~~
+
+**type**: ``string`` **default**: the form's name
+
+Allows you to override the block name used to render display.
+Useful by example if have multiple instances of the same form with differents names and that you need to personalize its render.