--- a/src/pyams_content/shared/view/interfaces.py	Fri Nov 13 13:08:48 2020 +0100
+++ b/src/pyams_content/shared/view/interfaces.py	Fri Nov 13 13:11:29 2020 +0100
@@ -10,15 +10,12 @@
 # FOR A PARTICULAR PURPOSE.
 #
 
-__docformat__ = 'restructuredtext'
-
 from collections import OrderedDict
 
 from zope.interface import Attribute, Interface
 from zope.schema import Bool, Choice, Int, Set
 from zope.schema.vocabulary import SimpleTerm, SimpleVocabulary
 
-from pyams_content import _
 from pyams_content.shared.common.interfaces import ISharedContent, ISharedTool, IWfSharedContent, \
     SHARED_CONTENT_TYPES_VOCABULARY
 from pyams_content.shared.common.interfaces.types import ALL_DATA_TYPES_VOCABULARY
@@ -27,6 +24,11 @@
 from pyams_thesaurus.schema import ThesaurusTermsListField
 
 
+__docformat__ = 'restructuredtext'
+
+from pyams_content import _
+
+
 VIEW_CONTENT_TYPE = 'view'
 VIEW_CONTENT_NAME = _('View')
 
@@ -273,6 +275,12 @@
     themes = ThesaurusTermsListField(title=_("Other themes"),
                                      required=False)
 
+    include_subthemes = Bool(title=_("Include all subthemes?"),
+                             description=_("If 'yes', subthemes of selected themes will also "
+                                           "be used to search contents"),
+                             required=False,
+                             default=False)
+
     def get_themes(self, context):
         """Get all themes for given context"""