diff -r 9479901b53a5 -r ed31bfceddda src/pyams_content/shared/common/interfaces/zmi.py
--- a/src/pyams_content/shared/common/interfaces/zmi.py	Wed Jul 01 14:10:50 2020 +0200
+++ b/src/pyams_content/shared/common/interfaces/zmi.py	Wed Jul 01 18:05:38 2020 +0200
@@ -38,3 +38,7 @@
 
 class ISiteRootDashboardTable(IDashboardTable):
     """Site root dashboard table marker interface"""
+
+
+class IDashboardTypeColumnValue(Interface):
+    """Dashboard content type column interface"""