> ## 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).

# Using Check Boxes in Your Templates for Adding and Subtracting Product Quantities


${youtube}[Using Check Boxes in zzTakeoff for Adding or Subtracting Products](cwsOSwwxnKY)

If you would like to learn more about using check boxes in zzTakeoff this is a great video to watch.