diff --git a/sz_util/sz_pos.lua b/sz_util/sz_pos.lua
index 06b464e..b6e6ec8 100644
--- a/sz_util/sz_pos.lua
+++ b/sz_util/sz_pos.lua
@@ -279,10 +279,15 @@ function sz_pos:light(...)
 end
 
 -- Get the metadata reference for this node position.
-function sz_pos:meta(n)
+function sz_pos:meta()
 	return minetest.get_meta(self)
 end
 
+-- Get the inventory for this node position.
+function sz_pos:inv()
+	return self:meta():get_inventory()
+end
+
 -- Shortcuts for some minetest utility functions.
 sz_pos.node_swap = minetest.swap_node
 sz_pos.light = minetest.get_node_light