# Knowledge base
The *Knowledge base* tab is used to show or add linked knowledge base articles.
You cannot create an article from this tab. To create a new article go to knowledge base
From this window, you can link an existing article to a GLPI object. However, it is not possible to create an article from this section.
## Link an article
* To link an article, you just need to select it in the dropdown lit
* Click on **Add**
## Unlink an article
* To unlik an article, you need to use the massive action. Click on the **checkbox** of the item(s) you wish to remove
* Click on **Actions**
* Select **Delete permanently the relation with selected elements**
* Click on **Post**
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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://help.glpi-project.org/documentation/tabs/knowledgebase.md?ask=
```
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.