# Visibility and access

The *Course access* section ![](/files/-LioWLHdnvmdi1qYyKuZ) allows you to define how open access to your course will be by selecting the *Course visibility* settings (already described in Control course access on page 20). These settings (*public, open, private* or *closed*) are fully defined on the page. On this page you can also:

* obtain a *direct link* to send e.g. via email or a web page to invite registration to this course
* allow self-subscription and unsubscription
* provide a registration password to allow access by unsubscribed users
* establish legal terms to be displayed on entry to the course


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# 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.chamilo.org/1.11.x/teacher-guide/course_settings/visibility_and_access.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.
