diff --git a/include/cstrike/Interfaces/IVDebugOverlay.h b/include/cstrike/Interfaces/IVDebugOverlay.h
new file mode 100644
index 0000000..b26267c
--- /dev/null
+++ b/include/cstrike/Interfaces/IVDebugOverlay.h
@@ -0,0 +1,8 @@
+#pragma once
+
+class IVDebugOverlay {
+	public:
+		bool ScreenPosition(const Vector& world, Vector& screen) {
+			return GetVirtualFunction<int(*)(IVDebugOverlay*, const Vector&, Vector&)>(this, 9)(this, world, screen) == 0;
+		}
+};
\ No newline at end of file