diff -r 237c8a0db388 -r 1bdfe52659d7 src/pyams_utils/interfaces/__init__.py
--- a/src/pyams_utils/interfaces/__init__.py	Wed Jul 12 14:05:46 2017 +0200
+++ b/src/pyams_utils/interfaces/__init__.py	Thu Jul 13 10:51:31 2017 +0200
@@ -43,6 +43,9 @@
 MANAGE_SYSTEM_PERMISSION = 'system.manage'
 '''Permission used to manage system settings'''
 
+MANAGE_SKIN_PERMISSION = 'skin.manage'
+'''Permission used to manage skin'''
+
 MANAGE_SECURITY_PERMISSION = 'security.manage'
 '''Permission used to manage security settings'''