diff --git a/project/soar/swagger.json b/project/soar/swagger.json
index c9b04015ac06f15fe76fa101612f34484a980104..70bc2c9c63b4d722a2a592d011f9085f1c876c68 100644
--- a/project/soar/swagger.json
+++ b/project/soar/swagger.json
@@ -988,6 +988,14 @@
                   "format":"float",
                   "type":"number"
                },
+               "message_type":{
+                  "description":"Type of message",
+                  "enum":[
+                     "survey"
+                  ],
+                  "example":"survey",
+                  "type":"string"
+               },
                "platform_ID":{
                   "description":"Unique identifier for this platform",
                   "example":"ecosub-2",