> ## Documentation Index
> Fetch the complete documentation index at: https://docs.phidata.com/llms.txt
> Use this file to discover all available pages before exploring further.

# PDF Url KnowledgeBase

## Example

<Note>
  Install `pypdf` if needed using [this guide](/how-to/install)
</Note>

```python knowledge_base.py theme={null}
from phi.knowledge.pdf import PDFUrlKnowledgeBase
from phi.vectordb.pgvector import PgVector

from resources import vector_db

knowledge_base = PDFUrlKnowledgeBase(
    urls=["pdf_url"],
    # Table name: llm.pdf_documents
    vector_db=PgVector(
        table_name="pdf_documents",
        db_url=vector_db.get_db_connection_local(),
    ),
)
```

## PDFUrlKnowledgeBase Params

| Parameter | Type           | Default | Description                                                                         |
| --------- | -------------- | ------- | ----------------------------------------------------------------------------------- |
| `urls`    | `List[str]`    | -       | URLs for `PDF` files.                                                               |
| `reader`  | `PDFUrlReader` | -       | A `PDFUrlReader` that converts the `PDFs` into `Documents` for the vector database. |

## AgentKnowledge Params

`PDFUrlKnowledgeBase` is a subclass of the `AgentKnowledge` class and has access to the same params

<Snippet file="kb-base-reference.mdx" />