diff --git a/rdl.json b/rdl.json
index 8e098a9..46f1a88 100644
--- a/rdl.json
+++ b/rdl.json
@@ -786,6 +786,12 @@
                         "optional": true,
                         "comment": "The resources for a service this schema defines",
                         "items": "Resource"
+                    },
+                    {
+                        "name": "base",
+                        "type": "String",
+                        "optional": true,
+                        "comment": "the base path for resources in the schema."
                     }
                 ]
             }
diff --git a/rdl.md b/rdl.md
index aa2b743..a68fd36 100644
--- a/rdl.md
+++ b/rdl.md
@@ -427,4 +427,5 @@ external references). and is the output of the RDL parser.
 | comment   | String                                        | optional | The comment for the entire schema               |       |
 | types     | Array<[Type](#type)>                    | optional | The types this schema defines.                  |       |
 | resources | Array<[Resource](#resource)>            | optional | The resources for a service this schema defines |       |
+| base      | String                                        | optional | the base path for resources in the schema.      |       |
 
diff --git a/rdl.rdl b/rdl.rdl
index 7740b2e..0ab7e29 100644
--- a/rdl.rdl
+++ b/rdl.rdl
@@ -255,4 +255,5 @@ type Schema Struct {
     String comment (optional); // The comment for the entire schema
     Array<Type> types (optional); // The types this schema defines.
     Array<Resource> resources (optional); // The resources for a service this schema defines
+    String base (optional); //the base path for resources in the schema.
 }