> For the complete documentation index, see [llms.txt](https://docs.zerowork.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zerowork.io/using-zerowork/using-building-blocks/dynamic-inputs/references-to-variables-and-tables.md).

# References to Variables and Tables

Click on the **V** (for [variables](/using-zerowork/using-variables.md)) or **T** (for [tables](/using-zerowork/using-tables.md)) at the top right of your building block to add a reference to a table or variable.

<figure><img src="/files/XrvaufqXMd5r5kotwJNo" alt=""><figcaption></figcaption></figure>
