diff --git a/schemas/global.json b/schemas/global.json
index 4be9d25..ebf7195 100644
--- a/schemas/global.json
+++ b/schemas/global.json
@@ -255,6 +255,12 @@
                             },
                             "SetPoint": {
                                 "type": "number"
+                            },
+                            "Direction": {
+                                "type": "string"
+                            },
+                            "Polarity": {
+                                "type": "string"
                             }
                         },
                         "required": [