diff --git a/lib/AnotherFile.d.ts b/lib/AnotherFile.d.ts
new file mode 100644
index 0000000..cb0ff5c
--- /dev/null
+++ b/lib/AnotherFile.d.ts
@@ -0,0 +1 @@
+export {};
diff --git a/lib/AnotherFile.js b/lib/AnotherFile.js
new file mode 100644
index 0000000..cb0ff5c
--- /dev/null
+++ b/lib/AnotherFile.js
@@ -0,0 +1 @@
+export {};
diff --git a/lib/index.d.ts b/lib/index.d.ts
new file mode 100644
index 0000000..e26a57a
--- /dev/null
+++ b/lib/index.d.ts
@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=index.d.ts.map
\ No newline at end of file
diff --git a/lib/index.d.ts.map b/lib/index.d.ts.map
new file mode 100644
index 0000000..535b86d
--- /dev/null
+++ b/lib/index.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":""}
\ No newline at end of file
diff --git a/lib/index.js b/lib/index.js
new file mode 100644
index 0000000..7d60c4f
--- /dev/null
+++ b/lib/index.js
@@ -0,0 +1,2 @@
+import "axios";
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/lib/index.js.map b/lib/index.js.map
new file mode 100644
index 0000000..1b03ee0
--- /dev/null
+++ b/lib/index.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":"AAAA,OAAsB,OAAO,CAAC"}
\ No newline at end of file
diff --git a/package.json b/package.json
index 9bc825e..103de2a 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,11 @@
   "name": "issue-repo",
   "private": true,
   "type": "module",
-  "scripts": {},
+  "scripts": {
+    "start": "node src/index.js"
+  },
+  "dependencies": {
+    "serializr": "3.0.2"
+  },
   "packageManager": "yarn@3.2.0"
 }
diff --git a/src/index.js b/src/index.js
new file mode 100644
index 0000000..ebf81a3
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,42 @@
+import { createModelSchema, primitive, serialize } from "serializr";
+
+class Person {
+  name;
+}
+
+class Worker extends Person {
+  company;
+}
+
+// const workerModelSchema = createModelSchema(Worker, {
+//   company: primitive(),
+//   name: primitive(),
+// });
+// output: { company: 'FirmX', name: 'John' } --> this works
+
+const personModelSchema = createModelSchema(Person, {
+  name: primitive(),
+});
+
+const workerModelSchema = createModelSchema(Worker, {
+  company: primitive(),
+  name: primitive(),
+});
+// output: { name: 'John', company: 'FirmX' } --> this doesn't work as expected
+
+// const workerModelSchema2 = {
+//   factory: () => new Worker(),
+//   props: {
+//     company: primitive(),
+//     name: primitive(),
+//   },
+// };
+// output: { company: 'FirmX', name: 'John' } --> this works
+
+const newWorker = new Worker();
+newWorker.name = "John";
+newWorker.company = "FirmX";
+
+const json = serialize(workerModelSchema, newWorker);
+
+console.log(json);
diff --git a/src/index.ts b/src/index.ts
deleted file mode 100644
index e69de29..0000000
diff --git a/yarn.lock b/yarn.lock
index 9b67dbf..13074d0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3,21 +3,19 @@
 
 __metadata:
   version: 6
+  cacheKey: 8
 
 "issue-repo@workspace:.":
   version: 0.0.0-use.local
   resolution: "issue-repo@workspace:."
+  dependencies:
+    serializr: 3.0.2
   languageName: unknown
   linkType: soft
 
-"pkg1@workspace:packages/pkg1":
-  version: 0.0.0-use.local
-  resolution: "pkg1@workspace:packages/pkg1"
-  languageName: unknown
-  linkType: soft
-
-"pkg2@workspace:packages/pkg2":
-  version: 0.0.0-use.local
-  resolution: "pkg2@workspace:packages/pkg2"
-  languageName: unknown
-  linkType: soft
+"serializr@npm:3.0.2":
+  version: 3.0.2
+  resolution: "serializr@npm:3.0.2"
+  checksum: 4276e0418eef9e30aab9557d299f028396e448a2ec8f4838bffb04e757f7d03bc012d85ff5a60e9260fb9cce6f52b6fba80266f5634eece8f48dc3b9f948dfb9
+  languageName: node
+  linkType: hard