# Data Recovery

When you need to recover a deleted quiz or assignment module from your course, you can do by following these steps:

### In the course you want to recover data from, in the browser's address bar, you will notice the URL of the course displayed.

<figure><img src="/files/1PG59nxwAizQ18mnT7tm" alt=""><figcaption></figcaption></figure>

### Add "/undelete" to the end of the URL

<figure><img src="/files/3UF9RIjl8STIobLP1Py0" alt=""><figcaption></figcaption></figure>

### The system will navigate you to the page for restoring deleted data.

<figure><img src="/files/2xuVSBY5If7aGVpQOqIS" alt=""><figcaption></figcaption></figure>

### Search for the data you want and then click the "Restore" button on the back to recover the data

## Video Tutorial on Recovering Data

{% embed url="<https://youtu.be/iqGY5np3v60>" %}


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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.tlic.cmu.ac.th/cmu-mango-canvas-manual/adding-courses-content/data-recovery.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.