diff -r e36091c14393 -r 2b1abe98ff47 src/pyams_content/features/share/interfaces.py
--- a/src/pyams_content/features/share/interfaces.py	Fri Jan 18 15:42:19 2019 +0100
+++ b/src/pyams_content/features/share/interfaces.py	Mon Jan 21 17:43:30 2019 +0100
@@ -40,6 +40,14 @@
                                                      "will be used"),
                                        required=False)
 
+    fb_account = TextLine(title=_("Facebook account"),
+                          description=_("Complete URL of Facebook account used for content attribution"),
+                          required=False)
+
+    fb_app_id = TextLine(title=_("Facebook AppID"),
+                         description=_("ID of a Facebook App matching your web site"),
+                         required=False)
+
 
 class ISocialShareItem(Interface):
     """Social network share item interface"""