> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://closeli-help.closeli.com/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).

# About two-factor authentication

If the two-factor authentication is enabled, a verification code will be required when a smart phone is trying to sign in.