> 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/start-condition-and-set-condition/contains-and-does-not-contain.md).

# Contains & Does Not Contain

This condition checks if your data contains or does not contain certain keywords. Separate multiple keywords by comma.

Here is a workflow set-up example: [Update Data](/using-zerowork/using-building-blocks/update-data.md#example-1-mark-leads-as-qualified-if-their-description-contains-certain-keywords)(link includes a video tutorial)