> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://staging.chrisp.chat/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How to attach Invoice

Go to Send to Customer option>>Customize Email>>Invoice>> Scroll below and tick the box showing Attach PDF to the email>>save

![](https://storage.crisp.chat/users/helpdesk/website/4b7d1c3a0c14a400/2b90bed1-7aeb-49da-ace5-e7c1b7_pzflsz.png)