> For the complete documentation index, see [llms.txt](https://documentation.rcore.cz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.rcore.cz/paid-resources/rcore_doorlock/troubleshoot/identifiers.md).

# Identifiers

The player identifier in rcore\_doorlock is used to identify player according to your framework. Used specifically for accessing doors in /doors.

## ESX

ESX uses the charid (for example char1:d983f8f701e37ac87c...) as it is in the database in the users table.

<figure><img src="/files/QIT2zVg7KGX8Pw4Y18RO" alt=""><figcaption><p>How it looks:</p></figcaption></figure>

## QBCore/QBox

QB-Core uses the CItizenID (for example AWT68587) as found in the database table players.

<figure><img src="/files/lG0MPYykVuqt8e8Kl4wH" alt=""><figcaption><p>How it looks:</p></figcaption></figure>

## Standalone

Standalone uses `license` identifier from your FiveM. The type of identifier can be edited in `rcore_doorlock/server/modules/bridge/framework/sv-standalone.lua`.