1. Aceess to your repository setting page.https://github.com/{user}/{repo}/settings2. Click link "Webhooks & Services".3. Click button "Add webhook" in Webhooks section.4. Input Payload URLhttp://twada-savannah.herokuapp.com/5. Choice event trigger."Send me everything" or check "issue comment"6. Click "Add webhook" button. finish!!
![twada-savannah](https://cdn-ak-scissors.b.st-hatena.com/image/square/fae200fbae9c4ef1db7361f238bb26bac49f65f1/height=288;version=1;width=512/http%3A%2F%2Ftwada-savannah.herokuapp.com%2Fimages%2Fdoc4.png)