diff --git a/modal-theme-part/theme-part.json b/modal-theme-part/theme-part.json
new file mode 100644
index 0000000..9f52034
--- /dev/null
+++ b/modal-theme-part/theme-part.json
@@ -0,0 +1,15 @@
+{
+  "version": 2,
+  "settings": {
+    "custom": {
+      "themeParts": {
+        "popup": {
+          "title": "Popup",
+          "description": "A custom modal popup that can be used across the site.",
+          "category": "widgets",
+          "area": "header"
+        }
+      }
+    }
+  }
+}