diff --git a/pgo/libs/libphysxc_checked_windows_amd64.a b/pgo/libs/libphysxc_checked_windows_amd64.a
index 257a945..c2d0e9e 100755
Binary files a/pgo/libs/libphysxc_checked_windows_amd64.a and b/pgo/libs/libphysxc_checked_windows_amd64.a differ
diff --git a/pgo/libs/libphysxc_release_windows_amd64.a b/pgo/libs/libphysxc_release_windows_amd64.a
index 257a945..c2d0e9e 100755
Binary files a/pgo/libs/libphysxc_release_windows_amd64.a and b/pgo/libs/libphysxc_release_windows_amd64.a differ
diff --git a/pgo/pgo.go b/pgo/pgo.go
index 89de82d..4f314f1 100755
--- a/pgo/pgo.go
+++ b/pgo/pgo.go
@@ -544,7 +544,6 @@ type Quat struct {
 	cQ C.struct_CPxQuat
 }
 
-// CPxAPI CPxInline CSTRUCT CPxQuat NewCPxQuat(float angleRads, float x, float y, float z);
 func NewQuat(angleRads, x, y, z float32) *Quat {
 	return &Quat{
 		cQ: C.NewCPxQuat(C.float(angleRads), C.float(x), C.float(y), C.float(z)),
@@ -668,7 +667,15 @@ func (ra *RigidActor) SetSimFilterData(fd *FilterData) {
 	C.CPxRigidActor_setSimFilterData(ra.cRa, fd.cFilterData)
 }
 
-// CPxAPI void CPxRigidActor_setSimFilterData(CSTRUCT CPxRigidActor* cra, CSTRUCT CPxFilterData* cfd);
+// SetUserData sets the void* field on the rigid actor which can be used for any purpose.
+// For example, it can be used to store an id or pointer that ties this rigid actor to some other object
+func (ra *RigidActor) SetUserData(userData unsafe.Pointer) {
+	C.CPxRigidActor_set_userData(ra.cRa, userData)
+}
+
+func (ra *RigidActor) GetUserData() unsafe.Pointer {
+	return C.CPxRigidActor_get_userData(ra.cRa)
+}
 
 type RigidStatic struct {
 	cRs C.struct_CPxRigidStatic
diff --git a/pgo/physx-c/CPxRigidActor.h b/pgo/physx-c/CPxRigidActor.h
index c7bb1bd..52a63be 100755
--- a/pgo/physx-c/CPxRigidActor.h
+++ b/pgo/physx-c/CPxRigidActor.h
@@ -4,16 +4,19 @@
 #include "CPxFilterData.h"
 
 #ifdef __cplusplus
-extern "C" {
+extern "C"
+{
 #endif
 
 	struct CPxRigidActor
 	{
-		void* obj;
+		void *obj;
 	};
 
-	//Sets the CPxFilterData on all the shapes of the actor.
+	// Sets the CPxFilterData on all the shapes of the actor.
 	CPxAPI void CPxRigidActor_setSimFilterData(CSTRUCT CPxRigidActor cra, CSTRUCT CPxFilterData cfd);
+	CPxAPI void CPxRigidActor_set_userData(CSTRUCT CPxRigidActor cra, void *userData);
+	CPxAPI void *CPxRigidActor_get_userData(CSTRUCT CPxRigidActor cra);
 
 #ifdef __cplusplus
 }