> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abbyy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Reserved names

> Names reserved by the NLP Extraction Rules engine and not usable for custom search elements — Root, Reserved, NERPerson, NEROrganization, NERAddress, etc.

The following names are reserved and cannot be used for your search elements:

* `Root`
* `Reserved`
* `NERPerson`
* `NEROrganization`
* `NERAddress`
* `NERDate`
* `NERDuration`
* `NERLocation`
* `NERMoney`