# Content Security Policy (CSP)

If you need to enforce content security policy (CSP) on the users browsers you can enable CSP on ngSurvey using following enviroment variable.

**`NGSurvey:CPSPolicy`**must be set to "Self" will enforce the content security policy (CSP) on the browser. 

{% hint style="warning" %}
Widget based answer items and any custom javascript related features like form codes, custom answer validations will be disabled if set to Self. 
{% endhint %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.ngsurvey.com/installation-setup/installation/content-security-policy-csp.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.