> For the complete documentation index, see [llms.txt](https://docs.eximee.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.eximee.com/documentation/documentation-en/budowanie-aplikacji/logika-biznesowa/scriptcode/skrypty-scriptservice.md).

# Scripts (ScriptService)

Lightweight script services consist in moving logic that does not require connection to services from backend code to the request. Scripts can be written in the repository and then used in the request.\
The script code should be written in **pure JavaScript (ES6 or newer)**. The code must be compatible with the JavaScript engine version **provided by Rhino** (<http://mozilla.github.io/rhino/compat/engines.html>)**.**

Additionally **have been disabled** such elements as "eval".

{% hint style="danger" %} <mark style="color:$info;">Timeout</mark>

<mark style="color:$info;">**WARNING!**</mark> <mark style="color:$info;">The script execution time is limited to</mark> <mark style="color:$info;">**1s**</mark><mark style="color:$info;">,</mark> <mark style="color:$info;">to eliminate cases of infinite loop/endless recursion. After one second, an exception will be thrown.</mark>
{% endhint %}

{% hint style="info" %}
Script services are cached after retrieval. The lifetime is controlled by the configuration key **repository\_script\_service\_cache\_ttl** and **settings\["REPOSITORY\_SCRIPT\_SERVICE\_CACHE\_TTL"]**
{% endhint %}


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