diff --git a/jsk_robot_common/jsk_robot_startup/CMakeLists.txt b/jsk_robot_common/jsk_robot_startup/CMakeLists.txt
index 76ce6de029..bf9d8a55cb 100644
--- a/jsk_robot_common/jsk_robot_startup/CMakeLists.txt
+++ b/jsk_robot_common/jsk_robot_startup/CMakeLists.txt
@@ -53,6 +53,7 @@ generate_dynamic_reconfigure_options(
   cfg/OdometryFeedbackWrapperReconfigure.cfg
   cfg/ConstantHeightFramePublisherReconfigure.cfg
   cfg/JointStatesThrottle.cfg
+  cfg/SmachNotificationReconfigure.cfg
 )
 
 add_message_files(
diff --git a/jsk_robot_common/jsk_robot_startup/cfg/SmachNotificationReconfigure.cfg b/jsk_robot_common/jsk_robot_startup/cfg/SmachNotificationReconfigure.cfg
new file mode 100755
index 0000000000..0109f4b94d
--- /dev/null
+++ b/jsk_robot_common/jsk_robot_startup/cfg/SmachNotificationReconfigure.cfg
@@ -0,0 +1,14 @@
+#!/usr/bin/env python
+
+from dynamic_reconfigure.parameter_generator_catkin import *
+
+PKG = "jsk_robot_startup"
+
+gen = ParameterGenerator()
+
+gen.add("send_every_transition", bool_t, 0, "Send notification every transition", False)
+gen.add("use_mail", bool_t, 0, "Use mail for smach notification", True)
+gen.add("use_twitter", bool_t, 0, "Use twitter for smach notification", True)
+gen.add("use_google_chat", bool_t, 0, "Use google chat for smach notification", True)
+
+exit(gen.generate(PKG, PKG, "SmachNotificationReconfigure"))
diff --git a/jsk_robot_common/jsk_robot_startup/scripts/smach_to_mail.py b/jsk_robot_common/jsk_robot_startup/scripts/smach_to_mail.py
index 2d0d6d1e01..5586bbd791 100755
--- a/jsk_robot_common/jsk_robot_startup/scripts/smach_to_mail.py
+++ b/jsk_robot_common/jsk_robot_startup/scripts/smach_to_mail.py
@@ -13,6 +13,8 @@
 import sys
 
 from cv_bridge import CvBridge
+from dynamic_reconfigure.server import Server
+from jsk_robot_startup.cfg import SmachNotificationReconfigureConfig
 from jsk_robot_startup.msg import Email
 from jsk_robot_startup.msg import EmailBody
 from sensor_msgs.msg import CompressedImage
@@ -38,12 +40,10 @@ def __init__(self):
         rospy.init_node('server_name')
         # it should be 'smach_to_mail', but 'server_name'
         # is the default name of smach_ros
-        self.use_mail = rospy.get_param("~use_mail", True)
-        self.use_twitter = rospy.get_param("~use_twitter", True)
-        self.use_google_chat = rospy.get_param(
-            "~use_google_chat", _enable_google_chat)
         self.pub_email = rospy.Publisher("email", Email, queue_size=10)
         self.pub_twitter = rospy.Publisher("tweet", String, queue_size=10)
+        self.reconfigure_server = Server(
+            SmachNotificationReconfigureConfig, self._reconfigure_cb)
         rospy.Subscriber(
             "~smach/container_status", SmachContainerStatus, self._status_cb)
         rospy.Timer(rospy.Duration(
@@ -71,6 +71,18 @@ def __init__(self):
             self.gchat_image_dir = rospy.get_param("~google_chat_tmp_image_dir", "/tmp")
             self._gchat_thread = None
 
+    def _reconfigure_cb(self, config, level):
+        self.use_mail = config['use_mail']
+        self.use_twitter = config['use_twitter']
+        self.use_google_chat = config['use_google_chat']
+        self.send_every_transition = config['send_every_transition']
+        rospy.loginfo(
+            "Switched parameters; use_mail: {send_every_transition}, "
+            "use_twitter: {use_twitter}, "
+            "use_google_chat: {use_google_chat}, "
+            "send_every_transition: {send_every_transition}".format(**config))
+        return config
+
     def _stop_timer_cb(self, event):
         '''
         If smach does not go to finish/end state,
@@ -170,6 +182,14 @@ def _status_cb(self, msg):
         else:
             self.smach_state_list[caller_id].append(status_dict)
 
+        # send notification every transition
+        if (self.send_every_transition
+                and self.use_google_chat
+                and not self.smach_state_list[caller_id] is None):
+            rospy.loginfo("Send every transition called")
+            self._send_google_chat(
+                self.smach_state_subject[caller_id], [status_dict])
+
         # If we received END/FINISH status, send email, etc...
         if status_str in ["END", "FINISH", "FINISH-SUCCESS", "FINISH-FAILURE"]:
             if (caller_id not in self.smach_state_list) or self.smach_state_list[caller_id] is None:
@@ -185,7 +205,7 @@ def _status_cb(self, msg):
                     self._send_mail(self.smach_state_subject[caller_id], self.smach_state_list[caller_id])
                 if self.use_twitter:
                     self._send_twitter(self.smach_state_subject[caller_id], self.smach_state_list[caller_id])
-                if self.use_google_chat:
+                if self.use_google_chat and not self.send_every_transition:
                     self._send_google_chat(self.smach_state_subject[caller_id], self.smach_state_list[caller_id])
                 self.smach_state_list[caller_id] = None
                 self.smach_state_subject[caller_id] = None
@@ -304,7 +324,7 @@ def _send_google_chat(self, subject, state_list):
         result = self.gchat_ac.get_result()
         if not self._gchat_thread:
             self._gchat_thread = result.message_result.thread_name
-        rospy.loginfo("Sending google chat messsage: {} to {} chat space".format(text, self.chat_space))
+        rospy.loginfo("Sending google chat messsage:{} chat space, {} thread".format(self.chat_space, self._gchat_thread))
         rospy.logdebug("Google Chat result: {}".format(self.gchat_ac.get_result()))
 
 if __name__ == '__main__':