diff --git a/src/interaction_msgs/msg/UI2Opt.msg b/src/interaction_msgs/msg/UI2Opt.msg
index bbcc997..cdc1408 100644
--- a/src/interaction_msgs/msg/UI2Opt.msg
+++ b/src/interaction_msgs/msg/UI2Opt.msg
@@ -1,4 +1,7 @@
 # parameters which were fixed by the user
 bool[] fixed_parameters
 # parameters set by the user
-float32[] set_parameter_values
\ No newline at end of file
+float32[] set_parameter_values
+# proposed new poses and their time steps
+float32[] new_poses
+float32[] new_poses_time_stamps
\ No newline at end of file