diff --git a/apidocs/api.json b/apidocs/api.json
index 5534512..cf08028 100644
--- a/apidocs/api.json
+++ b/apidocs/api.json
@@ -8249,6 +8249,10 @@
         {
           "name": "rotationZ",
           "type": "float"
+        },
+        {
+          "name": "syncRotation",
+          "type": "bool"
         }
       ]
     },
diff --git a/include/ompcapi.h b/include/ompcapi.h
index 2de751a..fcc3f16 100644
--- a/include/ompcapi.h
+++ b/include/ompcapi.h
@@ -655,7 +655,7 @@ typedef void* (*PlayerObject_FromID_t)(void* player, int objectid);
 typedef int (*PlayerObject_GetID_t)(void* player, void* object);
 typedef bool (*PlayerObject_AttachToVehicle_t)(void* player, void* object, void* vehicle, float offsetX, float offsetY, float offsetZ, float rotationX, float rotationY, float rotationZ);
 typedef bool (*PlayerObject_AttachToPlayer_t)(void* player, void* object, void* playerAttachedTo, float offsetX, float offsetY, float offsetZ, float rotationX, float rotationY, float rotationZ);
-typedef bool (*PlayerObject_AttachToObject_t)(void* player, void* object, void* attachedTo, float offsetX, float offsetY, float offsetZ, float rotationX, float rotationY, float rotationZ);
+typedef bool (*PlayerObject_AttachToObject_t)(void* player, void* object, void* attachedTo, float offsetX, float offsetY, float offsetZ, float rotationX, float rotationY, float rotationZ, bool syncRotation);
 typedef bool (*PlayerObject_SetPos_t)(void* player, void* object, float x, float y, float z);
 typedef bool (*PlayerObject_GetPos_t)(void* player, void* object, float* x, float* y, float* z);
 typedef bool (*PlayerObject_SetRot_t)(void* player, void* object, float rotationX, float rotationY, float rotationZ);