> For the complete documentation index, see [llms.txt](https://docs.bipeye.com/product-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bipeye.com/product-docs/overview/filters/built-in-functions.md).

# Built in functions

We have created a set of built-in functions to allow more options to be used in filters

BUILT\_IN\_FUNCTION\_DATE\_NOW:  We will be converted to the current date in `YYYY-MM-DD` format.

Usage:

<figure><img src="https://1729176017-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FjwtmDnfKv6qwI4adwWsR%2Fuploads%2FJ3WjP0vc5jIFyUimna8T%2Fimage.png?alt=media&amp;token=6610cec9-4403-41ac-b6b5-72e92050cd6c" alt=""><figcaption></figcaption></figure>