generate REFERENCE.md

diff --git a/REFERENCE.md b/REFERENCE.md
index 0de43bc77f717b6c9ecbdb36b8d0ce75e7542456..bd608cbbf801c178d41d7864354074f03a41ef19 100644 (file)
--- a/REFERENCE.md
+++ b/REFERENCE.md
@@ -258,6 +258,14 @@ Optional parameters that will be passed to the protocol (for example to match sp
 
 Default value: `undef`
 
+##### `interface`
+
+Data type: `Optional[String[1]]`
+
+an Optional interface where this rule should be applied
+
+Default value: `undef`
+
 ##### `ensure`
 
 Data type: `Enum['absent','present']`