diff --git a/heat/engine/resources/openstack/neutron/rbac_policy.py b/heat/engine/resources/openstack/neutron/rbac_policy.py
index de67ecf540..451fcb0c51 100644
--- a/heat/engine/resources/openstack/neutron/rbac_policy.py
+++ b/heat/engine/resources/openstack/neutron/rbac_policy.py
@@ -13,6 +13,7 @@
 
 from heat.common import exception
 from heat.common.i18n import _
+from heat.engine import constraints
 from heat.engine import properties
 from heat.engine.resources.openstack.neutron import neutron
 from heat.engine import support
@@ -54,13 +55,17 @@ class RBACPolicy(neutron.NeutronResource):
     # Change it when neutron supports more function in the future.
     SUPPORTED_TYPES_ACTIONS = {
         OBJECT_NETWORK: [ACCESS_AS_SHARED, ACCESS_AS_EXTERNAL],
-        OBJECT_QOS_POLICY: [ACCESS_AS_SHARED]}
+        OBJECT_QOS_POLICY: [ACCESS_AS_SHARED],
+    }
 
     properties_schema = {
         OBJECT_TYPE: properties.Schema(
             properties.Schema.STRING,
             _('Type of the object that RBAC policy affects.'),
             required=True,
+            constraints=[
+                constraints.AllowedValues(OBJECT_TYPE_KEYS)
+            ]
         ),
         TARGET_TENANT: properties.Schema(
             properties.Schema.STRING,
@@ -70,8 +75,14 @@ class RBACPolicy(neutron.NeutronResource):
         ),
         ACTION: properties.Schema(
             properties.Schema.STRING,
-            _('Action for the RBAC policy.'),
+            _('Action for the RBAC policy. The allowed actions differ for '
+              'different object types - only %(network)s objects can have an '
+              '%(external)s action.') % {'network': OBJECT_NETWORK,
+                                         'external': ACCESS_AS_EXTERNAL},
             required=True,
+            constraints=[
+                constraints.AllowedValues(ACTION_KEYS)
+            ]
         ),
         OBJECT_ID: properties.Schema(
             properties.Schema.STRING,
@@ -123,25 +134,26 @@ class RBACPolicy(neutron.NeutronResource):
                 self.client().delete_rbac_policy(self.resource_id)
 
     def validate(self):
-        """Validate the provided params."""
+        """Validate the provided properties."""
         super(RBACPolicy, self).validate()
 
         action = self.properties[self.ACTION]
         obj_type = self.properties[self.OBJECT_TYPE]
 
         # Validate obj_type and action per SUPPORTED_TYPES_ACTIONS.
-        if obj_type not in self.SUPPORTED_TYPES_ACTIONS:
-            msg = (_("Invalid object_type: %(obj_type)s. "
-                     "Valid object_type :%(value)s") %
-                   {'obj_type': obj_type,
-                    'value': self.SUPPORTED_TYPES_ACTIONS.keys()})
-            raise exception.StackValidationFailed(message=msg)
         if action not in self.SUPPORTED_TYPES_ACTIONS[obj_type]:
-            msg = (_("Invalid action %(action)s for object type "
-                   "%(obj_type)s. Valid actions :%(value)s") %
+            valid_actions = ', '.join(self.SUPPORTED_TYPES_ACTIONS[obj_type])
+            msg = (_('Invalid action "%(action)s" for object type '
+                     '%(obj_type)s. Valid actions: %(valid_actions)s') %
                    {'action': action, 'obj_type': obj_type,
-                    'value': self.SUPPORTED_TYPES_ACTIONS[obj_type]})
-            raise exception.StackValidationFailed(message=msg)
+                    'valid_actions': valid_actions})
+            properties_section = self.properties.error_prefix[0]
+            path = [self.stack.t.RESOURCES, self.t.name,
+                    self.stack.t.get_section_name(properties_section),
+                    self.ACTION]
+            raise exception.StackValidationFailed(error='Property error',
+                                                  path=path,
+                                                  message=msg)
 
 
 def resource_mapping():
diff --git a/heat/tests/openstack/neutron/test_neutron_rbac_policy.py b/heat/tests/openstack/neutron/test_neutron_rbac_policy.py
index a806c16216..b67c3b65f7 100644
--- a/heat/tests/openstack/neutron/test_neutron_rbac_policy.py
+++ b/heat/tests/openstack/neutron/test_neutron_rbac_policy.py
@@ -57,16 +57,13 @@ class RBACPolicyTest(common.HeatTestCase):
     def test_create_qos_policy_rbac(self):
         self._test_create(obj_type='qos_policy')
 
-    def _test_validate_invalid_action(self,
+    def _test_validate_invalid_action(self, msg,
                                       invalid_action='invalid',
                                       obj_type='network'):
         tpl = yaml.safe_load(inline_templates.RBAC_TEMPLATE)
         tpl['resources']['rbac']['properties']['action'] = invalid_action
         tpl['resources']['rbac']['properties']['object_type'] = obj_type
         self._create_stack(tmpl=yaml.safe_dump(tpl))
-        msg = ("Invalid action %(action)s for object type %(type)s." %
-               {'action': invalid_action,
-                'type': obj_type})
 
         self.patchobject(type(self.rbac), 'is_service_available',
                          return_value=(True, None))
@@ -75,21 +72,29 @@ class RBACPolicyTest(common.HeatTestCase):
                                self.rbac.validate)
 
     def test_validate_action_for_network(self):
-        self._test_validate_invalid_action()
+        msg = ('Property error: resources.rbac.properties.action: '
+               '"invalid" is not an allowed value '
+               r'\[access_as_shared, access_as_external\]')
+        self._test_validate_invalid_action(msg)
 
     def test_validate_action_for_qos_policy(self):
-        self._test_validate_invalid_action(
-            obj_type='qos_policy')
+        msg = ('Property error: resources.rbac.properties.action: '
+               '"invalid" is not an allowed value '
+               r'\[access_as_shared, access_as_external\]')
+        self._test_validate_invalid_action(msg, obj_type='qos_policy')
         # we dont support access_as_external for qos_policy
-        self._test_validate_invalid_action(
-            obj_type='qos_policy',
-            invalid_action='access_as_external')
+        msg = ('Property error: resources.rbac.properties.action: '
+               'Invalid action "access_as_external" for object type '
+               'qos_policy. Valid actions: access_as_shared')
+        self._test_validate_invalid_action(msg,
+                                           obj_type='qos_policy',
+                                           invalid_action='access_as_external')
 
     def test_validate_invalid_type(self):
         tpl = yaml.safe_load(inline_templates.RBAC_TEMPLATE)
         tpl['resources']['rbac']['properties']['object_type'] = 'networks'
         self._create_stack(tmpl=yaml.safe_dump(tpl))
-        msg = "Invalid object_type: networks. "
+        msg = '"networks" is not an allowed value'
 
         self.patchobject(type(self.rbac), 'is_service_available',
                          return_value=(True, None))