use_hook_test.diff

diff --git a/bravo/packets.py b/bravo/packets.py
index 400f09b..43d04e5 100644
--- a/bravo/packets.py
+++ b/bravo/packets.py
@@ -73,6 +73,9 @@ metadata = Struct("metadata",
     ),
     Const(UBInt8("terminator"), 0x7f),
 )
+from construct import StringAdapter, RepeatUntil, Field
+metadata = StringAdapter(RepeatUntil(lambda obj, ctx: obj == "\x7f",
+    Field("metadata", 1)))
 
 # Build faces, used during dig and build.
 faces = {
diff --git a/bravo/plugins/use_test.py b/bravo/plugins/use_test.py
new file mode 100644
index 0000000..2480a77
--- /dev/null
+++ b/bravo/plugins/use_test.py
@@ -0,0 +1,22 @@
+from zope.interface import implements
+
+from bravo.ibravo import IUseHook
+from bravo.packets import make_packet
+
+
+class Test(object):
+    implements(IUseHook)
+
+    name = "test"
+    targets = ("Player", )
+
+    def use_hook(self, factory, player, target, alternate):
+        if alternate:
+            packet = make_packet("metadata", eid=target.eid, metadata="\x00\x00\x7F")
+        else:
+            packet = make_packet("metadata", eid=target.eid, metadata="\x00\x01\x7F")
+
+        factory.broadcast(packet)
+
+
+test = Test()