From 68e6c9d709063df95710a88041f51870456bb7b7 Mon Sep 17 00:00:00 2001
From: junjiejiangjjj <junjie.jiang@zilliz.com>
Date: Wed, 1 Feb 2023 19:56:52 +0800
Subject: [PATCH] update readme

Signed-off-by: junjiejiangjjj <junjie.jiang@zilliz.com>
---
 README.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/README.md b/README.md
index a18c015..8e6ae2a 100644
--- a/README.md
+++ b/README.md
@@ -53,6 +53,17 @@ av
 
 
 ## How it works
+```python
+from towhee.dc2 import pipe, ops, DataCollection
+
+p = (
+    pipe.input('video_file')
+    .flat_map('video_file', 'frame', ops.video_decode.ffmpeg(start_time=10.0, end_time=15.0, sample_type='time_step_sample', args={'time_step': 1}))
+    .output('frame')
+)
+
+DataCollection(p('./video.mp4')).show(limit=1)
+```
 
 ```python
 from towhee import ops