diff --git a/src/interaction_msgs/srv/Task.srv b/src/interaction_msgs/srv/Task.srv
index 10a4044..846018f 100644
--- a/src/interaction_msgs/srv/Task.srv
+++ b/src/interaction_msgs/srv/Task.srv
@@ -6,6 +6,11 @@ uint16 nr_parameter
 float32[] x_next
 # time array
 float32[] time_steps_array
+# did the user updated trajectory in the ui
+bool user_update
+# if the user updated update Pose + its timestamp (multiple Poses possible
+float32[] update_pose
+float32[] update_timestamps
 ---
 # observed parameters
 float32[] x_observed