diff --git a/Cantera/matlab/cantera/1D/OutletRes.m b/Cantera/matlab/cantera/1D/OutletRes.m
new file mode 100644
index 000000000..908501fe9
--- /dev/null
+++ b/Cantera/matlab/cantera/1D/OutletRes.m
@@ -0,0 +1,11 @@
+function m = OutletRes(id)
+% OUTLET - Return a Domain1D instance representing an outlet reservoir.
+%
+m = Domain1D(-2);
+if nargin == 0
+  setID(m,'outletres');
+else
+  setID(m,id);
+end
+
+