diff --git a/themis/fields/behaviors.py b/themis/fields/behaviors.py
new file mode 100644
index 0000000..09a29fe
--- /dev/null
+++ b/themis/fields/behaviors.py
@@ -0,0 +1,15 @@
+from zope.interface import Interface
+from zope.interface import implements, alsoProvides
+from zope.component import adapts
+
+
+class ITopButtons(Interface):
+    pass
+
+class ITopButtonsMarker(Interface):
+    pass
+
+class TopButtons(object):
+    implements(ITopButtons)
+    adapts(ITopButtonsMarker)
+
diff --git a/themis/fields/behaviors.zcml b/themis/fields/behaviors.zcml
new file mode 100644
index 0000000..e930d79
--- /dev/null
+++ b/themis/fields/behaviors.zcml
@@ -0,0 +1,17 @@
+<configure
+    xmlns="http://namespaces.zope.org/zope"
+    xmlns:grok="http://namespaces.zope.org/grok"
+    xmlns:plone="http://namespaces.plone.org/plone"
+    i18n_domain="themis.fields">
+
+  <grok:grok package="." />
+
+  <plone:behavior
+      title="Top buttons"
+      description="Adds action buttons at the top of the form"
+      provides=".behaviors.ITopButtons"
+      marker=".behaviors.ITopButtonsMarker"
+      factory=".behaviors.TopButtons"
+      />
+
+</configure>
diff --git a/themis/fields/configure.zcml b/themis/fields/configure.zcml
index bd152cc..b5df01e 100644
--- a/themis/fields/configure.zcml
+++ b/themis/fields/configure.zcml
@@ -18,4 +18,6 @@
         file="editors.zcml"
         />
 
+   <include file="behaviors.zcml"/>
+
 </configure>