diff --git a/README.md b/README.md
index fa01038..8149981 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,84 @@
 # Typed Notion Client
 
-`@notionhq/client` wrapper with better Type-safe for Notion API.
\ No newline at end of file
+`@notionhq/client` wrapper with better Type-safe for Notion API.
+
+## Example 
+
+```typescript
+import { Client as NotionClient } from '@notionhq/client';
+import { NotionDatabase } from '../src/main';
+import { z } from 'zod';
+
+export const schema = z.object({
+  DATABASE_ID: z.string(),
+  NOTION_KEY: z.string(),
+});
+
+export const env = schema.parse(process.env);
+const notion = new NotionClient({ auth: env.NOTION_KEY });
+export const myDatabase = new NotionDatabase({
+  notionClient: notion,
+  databaseId: env.DATABASE_ID,
+  propTypes: {
+    Name: 'title',
+    Date: 'date',
+    Note: 'rich_text',
+  },
+});
+
+/**
+ * Create a new page under the database (new record)
+ */
+
+async function createPage() {
+  const page = await myDatabase.page.create(prop => ({
+    properties: {
+      ...prop['Note'].params({
+        rich_text: [
+          {
+            text: {
+              content: 'My Note!',
+            },
+          },
+        ]
+      }),
+      ...prop['Name'].params({
+        title: [
+          {
+            text: {
+              content: 'Hello, world!',
+            },
+          },
+        ],
+      }),
+      ...prop['Date'].params({
+        date: {
+          start: new Date().toISOString(),
+        },
+      }),
+    },
+  }));
+  console.log(`Created page: ${page.id}`);
+  return page.id;
+}
+
+async function filterToday() {
+  const pages = await myDatabase.query(prop => ({
+    filter: prop['Date'].params({
+      date: {
+        equals: new Date().toISOString(),
+      },
+    }),
+  }));
+  for (const page of pages) {
+    const title = page.properties.Name.title[0].plain_text;
+    console.log(`Today's page: ${page.id} - ${title}`);
+  }
+}
+
+
+async function main(){
+  await createPage();
+  await filterToday();
+}
+```
\ No newline at end of file
diff --git a/package.json b/package.json
index 652d1c8..b60a4a9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "typed-notion-client",
-  "version": "0.0.0-internal.3",
+  "version": "0.0.0-internal.4",
   "description": "Type-safe Notion API client",
   "main": "./dist/main.js",
   "module": "./dist/main.mjs",