How to get trajectory output from MoveIt?

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Hi all, I would like to know how can i get the trajectory output from MoveIt? I run rostopic listand below shows the list of the topics available, which topic should i subscribe to in order to obtain the trajectory output from MoveIt?

    /altimeter
    /altimeter/parameter_descriptions
    /altimeter/parameter_updates
    /attached_collision_object
    /clock
    /cmd_vel
    /collision_object
    /execute_trajectory/cancel
    /execute_trajectory/feedback
    /execute_trajectory/goal
    /execute_trajectory/result
    /execute_trajectory/status
    /fix
    /fix/position/parameter_descriptions
    /fix/position/parameter_updates
    /fix/status/parameter_descriptions
    /fix/status/parameter_updates
    /fix/velocity/parameter_descriptions
    /fix/velocity/parameter_updates
    /fix_velocity
    /gazebo/link_states
    /gazebo/model_states
    /gazebo/parameter_descriptions
    /gazebo/parameter_updates
    /gazebo/set_link_state
    /gazebo/set_model_state
    /ground_truth/state
    /ground_truth_to_tf/euler
    /ground_truth_to_tf/pose
    /joint_states
    /magnetic
    /magnetic/parameter_descriptions
    /magnetic/parameter_updates
    /mechanism_statistics
    /move_group/cancel
    /move_group/display_contacts
    /move_group/display_planned_path
    /move_group/feedback
    /move_group/goal
    /move_group/monitored_planning_scene
    /move_group/ompl/parameter_descriptions
    /move_group/ompl/parameter_updates
    /move_group/plan_execution/parameter_descriptions
    /move_group/plan_execution/parameter_updates
    /move_group/planning_scene_monitor/parameter_descriptions
    /move_group/planning_scene_monitor/parameter_updates
    /move_group/result
    /move_group/sense_for_plan/parameter_descriptions
    /move_group/sense_for_plan/parameter_updates
    /move_group/status
    /move_group/trajectory_execution/parameter_descriptions
    /move_group/trajectory_execution/parameter_updates
    /multi_dof_joint_trajectory_action/cancel
    /multi_dof_joint_trajectory_action/feedback
    /multi_dof_joint_trajectory_action/goal
    /multi_dof_joint_trajectory_action/result
    /multi_dof_joint_trajectory_action/status
    /pickup/cancel
    /pickup/feedback
    /pickup/goal
    /pickup/result
    /pickup/status
    /place/cancel
    /place/feedback
    /place/goal
    /place/result
    /place/status
    /planning_scene
    /planning_scene_world
    /pressure_height
    /raw_imu
    /raw_imu/accel/parameter_descriptions
    /raw_imu/accel/parameter_updates
    /raw_imu/bias
    /raw_imu/rate/parameter_descriptions
    /raw_imu/rate/parameter_updates
    /raw_imu/yaw/parameter_descriptions
    /raw_imu/yaw/parameter_updates
    /recognized_object_array
    /rosout
    /rosout_agg
    /rviz_moveit_motion_planning_display/robot_interaction_interactive_marker_topic/feedback
    /rviz_moveit_motion_planning_display/robot_interaction_interactive_marker_topic/update
    /rviz_moveit_motion_planning_display/robot_interaction_interactive_marker_topic/update_full
    /rviz_wenxin_VirtualBox_9932_811209059817823390/motionplanning_planning_scene_monitor/parameter_descriptions
    /rviz_wenxin_VirtualBox_9932_811209059817823390/motionplanning_planning_scene_monitor/parameter_updates
    /sonar_height
    /sonar_height/parameter_descriptions
    /sonar_height/parameter_updates
    /tf
    /tf_static
    /trajectory_execution_event
    /visualization_marker
    /visualization_marker_array
    /wrench_out

Thank you so much for helping.