diff --git a/Runtime/CharacterMovement2D.cs b/Runtime/CharacterMovement2D.cs
index 73fc633..5f76305 100644
--- a/Runtime/CharacterMovement2D.cs
+++ b/Runtime/CharacterMovement2D.cs
@@ -91,6 +91,7 @@ public override void Jump()
             float jumpVelocity = Mathf.Sqrt(2f * -Gravity * JumpHeight);
             // override current y velocity but maintain x/z velocity
             Velocity = new Vector3(Velocity.x, jumpVelocity, Velocity.z);
+            OnJump.Invoke(SurfaceObject, OverTerrain, NormalizedSpeed);
         }
 
         protected virtual void FixedUpdate()
@@ -148,12 +149,13 @@ protected virtual bool CheckGrounded()
                 if(hit.collider != null && hit.collider != CapsuleCollider)
                 {
                     groundHit = hit;
+                    SurfaceObject = hit.collider.gameObject;
                     continue;
                 }
             }
 
             // set default ground surface normal and SurfaceVelocity
-            GroundNormal = Vector3.up;
+            GroundNormal = Vector3.up; 
             SurfaceVelocity = Vector3.zero;
 
             // if ground wasn't hit, character is not grounded
@@ -192,7 +194,8 @@ private void OnCollisionEnter2D(Collision2D collision)
             if (Mathf.Abs(collision.relativeVelocity.y) < MinGroundedVelocity) return;
             if (Vector3.Distance(point, transform.position) < landingCollisionMaxDistance)
             {
-                OnGrounded.Invoke(collision.gameObject);
+                CheckGrounded();
+                OnGrounded.Invoke(SurfaceObject, OverTerrain, NormalizedSpeed);
             }
         }
 
diff --git a/Runtime/CharacterMovement3D.cs b/Runtime/CharacterMovement3D.cs
index e3a2537..89e134e 100644
--- a/Runtime/CharacterMovement3D.cs
+++ b/Runtime/CharacterMovement3D.cs
@@ -54,6 +54,7 @@ public class CharacterMovement3D : CharacterMovementBase
         public Vector3 SplineLookDirection { get; protected set; }
         public bool HasPath => NavMeshAgent.hasPath;
         public bool HasCompletePath => NavMeshAgent.hasPath && Vector3.Distance(NavMeshAgent.path.corners[NavMeshAgent.path.corners.Length - 1], NavMeshAgent.destination) < StoppingDistance;
+        public RaycastHit GroundCheckRaycastHitInfo;
 
         protected virtual void OnValidate()
         {
@@ -147,6 +148,7 @@ public override void Jump()
             float jumpVelocity = Mathf.Sqrt(2f * -Gravity * JumpHeight);
             // override current y velocity but maintain x/z velocity
             Velocity = new Vector3(Velocity.x, jumpVelocity, Velocity.z);
+            OnJump.Invoke(SurfaceObject, OverTerrain, NormalizedSpeed);
         }
 
         // path to destination using navmesh
@@ -300,6 +302,15 @@ protected virtual bool CheckGrounded()
             GroundNormal = Vector3.up;
             SurfaceVelocity = Vector3.zero;
 
+            if (hit)
+            {
+                if (hitInfo.collider.GeometryHolder.Type == UnityEngine.LowLevelPhysics.GeometryType.Terrain)
+                {
+                    OverTerrain = true;
+                }
+                else OverTerrain = false;
+            }
+
             // if ground wasn't hit, character is not grounded
             if (!hit) return false;
 
@@ -409,7 +420,8 @@ protected virtual void OnCollisionEnter(Collision collision)
             if(Mathf.Abs(collision.relativeVelocity.y) < MinGroundedVelocity) return;
             if(Vector3.Distance(point, transform.position) < landingCollisionMaxDistance)
             {
-                OnGrounded.Invoke(collision.gameObject);
+                CheckGrounded();
+                OnGrounded.Invoke(SurfaceObject, OverTerrain, NormalizedSpeed);
             }
         }
 
@@ -418,6 +430,7 @@ protected virtual void OnDrawGizmosSelected()
             Gizmos.color = IsGrounded ? Color.green : Color.red;
             Gizmos.DrawRay(GroundCheckStart, -transform.up * GroundCheckDistance);
 
+            
             if(EnableAvoidance)
             {
                 Gizmos.color = Color.yellow;
diff --git a/Runtime/CharacterMovementBase.cs b/Runtime/CharacterMovementBase.cs
index ced1ebb..519b7bf 100644
--- a/Runtime/CharacterMovementBase.cs
+++ b/Runtime/CharacterMovementBase.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.Events;
+using UnityEngine.LowLevelPhysics;
 
 namespace CharacterMovement
 {
@@ -38,8 +39,9 @@ public abstract class CharacterMovementBase : MonoBehaviour
 
         [field: Header("Events")]
         [field: SerializeField] protected float MinGroundedVelocity { get; set; } = 5f;
-        public UnityEvent<GameObject> OnGrounded;
-        public UnityEvent<GameObject> OnFootstep;
+        public UnityEvent<GameObject,  bool, float> OnGrounded;
+        public UnityEvent<GameObject, bool, float> OnFootstep;
+        public UnityEvent<GameObject, bool, float> OnJump;
 
         // public properties
         public float MoveSpeedMultiplier { get; set; } = 1f;
@@ -57,6 +59,8 @@ public abstract class CharacterMovementBase : MonoBehaviour
         public bool HasTurnInput { get; protected set; }
         public bool IsGrounded { get; protected set; }
         public GameObject SurfaceObject { get; protected set; }
+        public GeometryType HitColliderType {  get; protected set; }
+        public bool OverTerrain { get; protected set; }
         public Vector3 SurfaceVelocity { get; protected set; }
         public bool CanMove { get; set; } = true;
         public bool CanTurn { get; set; } = true;
@@ -66,13 +70,16 @@ public abstract class CharacterMovementBase : MonoBehaviour
 
         // methods
         public virtual void TryJump() { }
-        public virtual void Jump() { }
+        public virtual void Jump()
+        {
+            OnJump.Invoke(SurfaceObject, OverTerrain, NormalizedSpeed);       
+        }
         public virtual void SetMoveInput(Vector3 input) { }
         public virtual void SetLookDirection(Vector3 direction) { }
         public virtual void SetLookPosition(Vector3 position) { }
         public virtual void FootstepAnimEvent(AnimationEvent animationEvent)
         {
-            if (animationEvent.animatorClipInfo.weight > 0.5f && IsGrounded && NormalizedSpeed > 0.05f) OnFootstep.Invoke(SurfaceObject);
+            if (animationEvent.animatorClipInfo.weight > 0.5f && IsGrounded && NormalizedSpeed > 0.05f) OnFootstep.Invoke(SurfaceObject, OverTerrain, NormalizedSpeed);
         }
     }
 }
\ No newline at end of file