Removing the Reward and Message Observation Type, will readd when used

Default is the default

com.unity.ml-agents/Editor/CameraSensorComponentEditor.cs

                 EditorGUILayout.PropertyField(so.FindProperty("m_Height"), true);
                 EditorGUILayout.PropertyField(so.FindProperty("m_Grayscale"), true);
                 EditorGUILayout.PropertyField(so.FindProperty("m_ObservationStacks"), true);
+                EditorGUILayout.PropertyField(so.FindProperty("m_ObservationType"), true);
             }
             EditorGUI.EndDisabledGroup();
             EditorGUILayout.PropertyField(so.FindProperty("m_Compression"), true);

com.unity.ml-agents/Tests/Editor/Sensor/VectorSensorTests.cs

             ISensor sensor = new VectorSensor(4);
             Assert.AreEqual("VectorSensor_size4", sensor.GetName());
 
-            sensor = new VectorSensor(3, "test_sensor");
+            sensor = new VectorSensor(3, name: "test_sensor");
             Assert.AreEqual("test_sensor", sensor.GetName());
         }
 

com.unity.ml-agents/Runtime/Sensors/CameraSensorComponent.cs

             set { m_SensorName = value; }
         }
 
+        [HideInInspector, SerializeField]
+        ObservationType m_ObservationType;
+
         [HideInInspector, SerializeField, FormerlySerializedAs("width")]
         int m_Width = 84;
 
         }
 
         /// <summary>
+        /// The type of the observation.
+        /// </summary>
+        public ObservationType SensorObservationType
+        {
+            get { return m_ObservationType; }
+            set { m_ObservationType = value; UpdateSensor(); }
+        }
+
+        /// <summary>
-            m_Sensor = new CameraSensor(m_Camera, m_Width, m_Height, Grayscale, m_SensorName, m_Compression);
+            m_Sensor = new CameraSensor(m_Camera, m_Width, m_Height, Grayscale, m_SensorName, m_Compression, m_ObservationType);
 
             if (ObservationStacks != 1)
             {

com.unity.ml-agents/Runtime/Sensors/VectorSensor.cs

     /// <summary>
     /// A sensor implementation for vector observations.
     /// </summary>
-    public class VectorSensor : ISensor, IBuiltInSensor
+    public class VectorSensor : ISensor, ITypedSensor, IBuiltInSensor
     {
         // TODO use float[] instead
         // TODO allow setting float[]
+        ObservationType m_ObservationType;
 
         /// <summary>
         /// Initializes the sensor.
-        public VectorSensor(int observationSize, string name = null)
+        public VectorSensor(int observationSize, string name = null, ObservationType observationType = ObservationType.Default)
-            if (name == null)
+            if (name == null || name == "")
+                if (observationType != ObservationType.Default)
+                {
+                    name += "_goal";
+                }
+
+            m_ObservationType = observationType;
         }
 
         /// <inheritdoc/>
         public int[] GetObservationShape()
         {
             return m_Shape;
+        }
+
+        /// <inheritdoc/>
+        public virtual ObservationType GetObservationType()
+        {
+            return m_ObservationType;
         }
 
         /// <inheritdoc/>

com.unity.ml-agents/Runtime/Sensors/CameraSensor.cs

     /// <summary>
     /// A sensor that wraps a Camera object to generate visual observations for an agent.
     /// </summary>
-    public class CameraSensor : ISensor, IBuiltInSensor, IDimensionPropertiesSensor
+    public class CameraSensor : ISensor, ITypedSensor, IBuiltInSensor, IDimensionPropertiesSensor
     {
         Camera m_Camera;
         int m_Width;
         int[] m_Shape;
         SensorCompressionType m_CompressionType;
+        ObservationType m_ObservationType;
         static DimensionProperty[] s_DimensionProperties = new DimensionProperty[] {
             DimensionProperty.TranslationalEquivariance,
             DimensionProperty.TranslationalEquivariance,
             set { m_CompressionType = value; }
         }
 
+        public ObservationType ObservationType
+        {
+            get { return m_ObservationType; }
+            set { m_ObservationType = value; }
+        }
+
 
         /// <summary>
         /// Creates and returns the camera sensor.
         /// <param name="name">The name of the camera sensor.</param>
         /// <param name="compression">The compression to apply to the generated image.</param>
         public CameraSensor(
-            Camera camera, int width, int height, bool grayscale, string name, SensorCompressionType compression)
+            Camera camera,
+            int width,
+            int height,
+            bool grayscale,
+            string name,
+            SensorCompressionType compression,
+            ObservationType observationType = ObservationType.Default)
         {
             m_Camera = camera;
             m_Width = width;
             m_Shape = GenerateShape(width, height, grayscale);
             m_CompressionType = compression;
+            m_ObservationType = observationType;
         }
 
         /// <summary>
         public string GetName()
         {
             return m_Name;
+        }
+
+        /// <inheritdoc/>
+        public virtual ObservationType GetObservationType()
+        {
+            return m_ObservationType;
         }
 
         /// <summary>

com.unity.ml-agents/Runtime/Sensors/ITypedSensor.cs

     /// <summary>
     /// The ObservationType enum of the Sensor.
     /// </summary>
-    internal enum ObservationType
+    public enum ObservationType
-        // Collected observations contain reward information.
-        Reward = 2,
-        // Collected observations are messages from other agents.
-        Message = 3,
     }
 
 
-    internal interface ITypedSensor
+    public interface ITypedSensor
     {
         /// <summary>
         /// Returns the ObservationType enum corresponding to the type of the sensor.

ml-agents-envs/mlagents_envs/base_env.py

     DEFAULT = 0
     # Observation contains goal information for current task.
     GOAL = 1
-    # Observation contains reward information for current task.
-    REWARD = 2
-    # Observation contains a message from another agent.
-    MESSAGE = 3
 
 
 class ObservationSpec(NamedTuple):

com.unity.ml-agents/Editor/VectorSensorComponentEditor.cs.meta

+fileFormatVersion: 2
+guid: 4e900f9ce9be541c69e45ae94956932f
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

com.unity.ml-agents/Editor/VectorSensorComponentEditor.cs

+using UnityEditor;
+using Unity.MLAgents.Sensors;
+
+namespace Unity.MLAgents.Editor
+{
+    [CustomEditor(typeof(VectorSensorComponent))]
+    [CanEditMultipleObjects]
+    internal class VectorSensorComponentEditor : UnityEditor.Editor
+    {
+        public override void OnInspectorGUI()
+        {
+            var so = serializedObject;
+            so.Update();
+
+            // Drawing the VectorSensorComponent
+
+            EditorGUI.BeginDisabledGroup(!EditorUtilities.CanUpdateModelProperties());
+            {
+                // These fields affect the sensor order or observation size,
+                // So can't be changed at runtime.
+                EditorGUILayout.PropertyField(so.FindProperty("m_SensorName"), true);
+                EditorGUILayout.PropertyField(so.FindProperty("m_observationSize"), true);
+                EditorGUILayout.PropertyField(so.FindProperty("m_ObservationType"), true);
+            }
+            EditorGUI.EndDisabledGroup();
+
+            so.ApplyModifiedProperties();
+        }
+    }
+}

com.unity.ml-agents/Runtime/Sensors/VectorSensorComponent.cs

+using UnityEngine;
+using UnityEngine.Serialization;
+
+namespace Unity.MLAgents.Sensors
+{
+    [AddComponentMenu("ML Agents/Vector Sensor", (int)MenuGroup.Sensors)]
+    public class VectorSensorComponent : SensorComponent
+    {
+        /// <summary>
+        /// Name of the generated <see cref="VectorSensor"/> object.
+        /// Note that changing this at runtime does not affect how the Agent sorts the sensors.
+        /// </summary>
+        public string SensorName
+        {
+            get { return m_SensorName; }
+            set { m_SensorName = value; }
+        }
+        [HideInInspector, SerializeField]
+        private string m_SensorName = "VectorSensor";
+
+        public int ObservationSize
+        {
+            get { return m_observationSize; }
+            set { m_observationSize = value; }
+        }
+
+        [HideInInspector, SerializeField]
+        int m_observationSize;
+
+        [HideInInspector, SerializeField]
+        ObservationType m_ObservationType;
+
+        VectorSensor m_sensor;
+
+        public ObservationType ObservationType
+        {
+            get { return m_ObservationType; }
+            set { m_ObservationType = value; }
+        }
+
+        /// <summary>
+        /// Creates a VectorSensor.
+        /// </summary>
+        /// <returns></returns>
+        public override ISensor CreateSensor()
+        {
+            m_sensor = new VectorSensor(m_observationSize, m_SensorName, m_ObservationType);
+            return m_sensor;
+        }
+
+        /// <inheritdoc/>
+        public override int[] GetObservationShape()
+        {
+            return new[] { m_observationSize };
+        }
+
+        public VectorSensor GetSensor()
+        {
+            return m_sensor;
+        }
+    }
+}

com.unity.ml-agents/Runtime/Sensors/VectorSensorComponent.cs.meta

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+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: