diff -r 871c7cb35fd6 -r 5dce53509832 src/pyams_content/component/paragraph/interfaces/__init__.py
--- a/src/pyams_content/component/paragraph/interfaces/__init__.py	Tue Feb 06 11:15:55 2018 +0100
+++ b/src/pyams_content/component/paragraph/interfaces/__init__.py	Tue Feb 06 11:16:23 2018 +0100
@@ -67,6 +67,7 @@
 
     name = Attribute("Factory name")
     content_type = Attribute("Factory content type")
+    custom_menu = Attribute("Display factory in 'custom' paragraphs menu")
 
 
 class IParagraphFactorySettings(Interface):