[Added the unity side code]

unity-environment/Assets/ML-Agents/Scripts/Academy.cs

                             (MLAgents.CommunicatorObjects.BrainTypeProto)
                             brain.brainType));
                 }
+                
 
                 academyParameters.EnvironmentParameters =
                     new MLAgents.CommunicatorObjects.EnvironmentParametersProto();

unity-environment/Assets/ML-Agents/Scripts/Agent.cs

         public float[] vectorActions;
         public string textActions;
         public List<float> memories;
+        public float value;
     }
 
     /// <summary>
         public void UpdateTextAction(string textActions)
         {
             action.textActions = textActions;
+        }
+        
+        /// <summary>
+        /// Updates the value of the agent.
+        /// </summary>
+        /// <param name="textActions">Text actions.</param>
+        public void UpdateValueAction(float value)
+        {
+            action.value = value;
+        }
+
+        protected float GetValueEstimate()
+        {
+            return action.value;
         }
 
         /// <summary>

unity-environment/Assets/ML-Agents/Scripts/Batcher.cs

                             action.Memories.ToList());
                         agent.UpdateTextAction(
                             action.TextActions);
+                        agent.UpdateValueAction(
+                            action.Value);
                     }
                 }