diff --git a/sdk/js/package.json b/sdk/js/package.json
index 59c9b408..f398d204 100644
--- a/sdk/js/package.json
+++ b/sdk/js/package.json
@@ -3,7 +3,7 @@
   "name": "sst",
   "type": "module",
   "sideEffects": false,
-  "version": "3.0.21",
+  "version": "3.0.22",
   "main": "./dist/index.js",
   "exports": {
     ".": "./dist/index.js",
diff --git a/sdk/js/src/event/index.ts b/sdk/js/src/event/index.ts
index aa2f747f..9bffb59e 100644
--- a/sdk/js/src/event/index.ts
+++ b/sdk/js/src/event/index.ts
@@ -46,10 +46,11 @@ export module event {
           ) => Promise<Payload>;
       const validate = validator(schema);
       async function create(properties: any, metadata?: any) {
-        metadata =
-          typeof input.metadata === "function"
+        metadata = input.metadata
+          ? typeof input.metadata === "function"
             ? input.metadata(type, properties)
-            : input.metadata(metadata);
+            : input.metadata(metadata)
+          : {};
         properties = validate(properties);
         return {
           type,