//    * Listing an object with a trailing slash and '/' delimiter
		34: {
			IsTruncated: false,
			Objects:     []ObjectInfo{},
		},
		// ListObjectsResult-35 list with custom uncommon delimiter
		35: {
			IsTruncated: false,
			Objects: []ObjectInfo{
				{Name: "file1/receipt.json"},
			},
			Prefixes: []string{"file1/guidSplunk"},
		},

Now use the parameter `callbacks` in *your API's path operation decorator* to pass the attribute `.routes` (that's actually just a `list` of routes/*path operations*) from that callback router:

```Python hl_lines="35"
{!../../../docs_src/openapi_callbacks/tutorial001.py!}
```

!!! tip

Maven core. 2009 maven-core-it file:///${basedir}/repo true true org.apache.maven maven-plugin-api 2.0 . pom.xml src/** src/main/resources META-INF/maven/org.apache.maven.its.plugins/maven-it-plugin/pom.properties #Generated by Maven #Sat Oct 24 01:35:13 CEST 2009 version=0.1 groupId=org.apache.maven.its.plugins artifactId=maven-it-plugin...

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* Add new `HTTPException` with support for custom headers. With new documentation for handling errors at: [https://fastapi.tiangolo.com/tutorial/handling-errors/](https://fastapi.tiangolo.com/tutorial/handling-errors/). PR [#35](https://github.com/tiangolo/fastapi/pull/35).