diff --git a/deno-client/mod.ts b/deno-client/mod.ts
index be76e614e5..fd00b2ff7d 100644
--- a/deno-client/mod.ts
+++ b/deno-client/mod.ts
@@ -80,6 +80,19 @@ export async function getResource(
   }
 }
 
+/**
+ * Resolve a resource value in case the default value was picked because the input payload was undefined
+ * @param obj resource value or path of the resource under the format `$res:path`
+ * @returns resource value
+ */
+export async function resolveDefaultResource(obj: any): Promise<any> {
+  if (typeof obj === "string" && obj.startsWith("$res:")) {
+    return await getResource(obj.substring(5), true);
+  } else {
+    return obj;
+  }
+}
+
 /**
  * Get the full resource value by path
  * @param path path of the resource,  default to internal state path