diff --git a/.schema/owlboard-pis-schema.json b/.schema/owlboard-pis-schema.json
new file mode 100644
index 0000000..0059066
--- /dev/null
+++ b/.schema/owlboard-pis-schema.json
@@ -0,0 +1,36 @@
+{
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "title": "OwlBoard PIS",
+    "description": "OwlBoard PIS files, used for ingesting PIS data into OwlBoard",
+    "type": "object",
+    "additionalProperties": false,
+    "properties": {
+      "pis": {
+        "type": "array",
+        "description": "A list of PIS codes to include in the file",
+        "items": {
+          "type": "object",
+          "properties": {
+            "code": {
+              "type": "string",
+              "description": "The four character PIS code as a string"
+            },
+            "stops": {
+              "type": "array",
+              "description": "A list of 3ALPHA/CRS codes represented by the 'code'.",
+              "items": {
+                "type": "string"
+              }
+            }
+          },
+          "required": [
+            "code",
+            "stops"
+          ]
+        }
+      }
+    },
+    "required": [
+      "pis"
+    ]
+  }  
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..9644477
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,6 @@
+{"yaml.schemas": {
+                "/home/fred.boniface/git/owlboard/data/.schema/owlboard-pis-schema.json": [
+                        "file:///home/fred.boniface/git/owlboard/data/pis/auto-dgp2-2025-01-12_20-48-03.yaml",
+                        "file:///home/fred.boniface/git/owlboard/data/pis/gw.yaml"
+                ]
+        }}
\ No newline at end of file