> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://zztakeoff.crisp.help/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).

# Advanced Tutorial in Adding Custom Properties

${youtube}[](KQX2hJEx3gU)
This video will walk you through the import task of creating custom variables in zzTakeoff