> For the complete documentation index, see [llms.txt](https://astro-rpa.gitbook.io/astro-rpa-user-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://astro-rpa.gitbook.io/astro-rpa-user-guide/g_elements/el_basic/testing/verifyexpression.md). # Verify expression ![](https://1755238209-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNnEkyZmLMSWTDXxpygbG%2Fuploads%2Fgit-blob-16fe17ef234f0a75f66653bd0d591d691075f801%2Fimage%20\(9\).png?alt=media) ![](https://1755238209-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNnEkyZmLMSWTDXxpygbG%2Fuploads%2Fgit-blob-ee15c6a3bbe2437a62534ece43b2de3a1383896a%2Fimage%20\(89\).png?alt=media) Element that verifies given expression. Properties * Expression\*: \[bool] Expression to be verified More info: