# how to use lua script

**URL:** https://discourse.orthanc-server.org/t/how-to-use-lua-script/2178
**Category:** Google Groups archive
**Created:** [November 10, 2020, 5:38pm UTC](https://discourse.orthanc-server.org/t/how-to-use-lua-script/2178 "2020-11-10T17:38:24Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Jorge\_Enriquez](https://discourse.orthanc-server.org/letter_avatar_proxy/v4/letter/j/e56c9b/32.png) [@Jorge\_Enriquez](https://discourse.orthanc-server.org/u/Jorge_Enriquez)
#### Post date: [November 10, 2020, 5:38pm UTC](https://discourse.orthanc-server.org/t/how-to-use-lua-script/2178/1 "2020-11-10T17:38:24Z")

</div>

hi … i need a help with a lua script … i don´t know how to use the script for the access control to the web services, i only want that the admin user can erase the patient and the others one not.

where can i put this part on the orthanc.json

![](data:image/png;base64,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)

---

<div class="post-metadata">

### Author: ![jodogne](https://discourse.orthanc-server.org/user_avatar/discourse.orthanc-server.org/jodogne/32/1511_2.png) [@jodogne](https://discourse.orthanc-server.org/u/jodogne)
#### Post date: [November 11, 2020, 9:58am UTC](https://discourse.orthanc-server.org/t/how-to-use-lua-script/2178/2 "2020-11-11T09:58:01Z")

</div>

Hello,

This topic is covered in the Orthanc Book:  
[https://book.orthanc-server.com/users/lua.html#installing-a-lua-script](https://book.orthanc-server.com/users/lua.html#installing-a-lua-script)

[https://book.orthanc-server.com/users/lua.html#filtering-incoming-rest-requests](https://book.orthanc-server.com/users/lua.html#filtering-incoming-rest-requests)

Sébastien-