{* ../../docs_src/path_operation_advanced_configuration/tutorial005.py hl[6] *}

If you open the automatic API docs, your extension will show up at the bottom of the specific *path operation*.

<img src="/img/tutorial/path-operation-advanced-configuration/image01.png">

## Execution of dependencies with `yield` { #execution-of-dependencies-with-yield }

The sequence of execution is more or less like this diagram. Time flows from top to bottom. And each column is one of the parts interacting or executing code.

```mermaid
sequenceDiagram

participant client as Client
participant handler as Exception handler
participant dep as Dep with yield

* 👥 Update FastAPI GitHub topic repositories. PR [#13667](https://github.com/fastapi/fastapi/pull/13667) by [@tiangolo](https://github.com/tiangolo).
* 🔧 Update links for LinkedIn and bottom. PR [#13669](https://github.com/fastapi/fastapi/pull/13669) by [@tiangolo](https://github.com/tiangolo).