{!> ../../docs_src/query_params_str_validations/tutorial013.py!}
```

////

/// note | "Hinweis"

Beachten Sie, dass FastAPI in diesem Fall den Inhalt der Liste nicht überprüft.

Zum Beispiel würde `List[int]` überprüfen (und dokumentieren) dass die Liste Ganzzahlen enthält. `list` alleine macht das nicht.

///

## Deklarieren von mehr Metadaten

Sie können mehr Informationen zum Parameter hinzufügen.

golang.org/x/exp v0.0.0-20240823005443-9b4947da3948/go.mod h1:akd2r19cwCdwSwWeIdzYQGa/EZZyqcOdwWiwj5L5eKQ=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=

```python
from typing import Annotated, Literal

from fastapi import FastAPI, Query
from pydantic import BaseModel, Field

app = FastAPI()


class FilterParams(BaseModel):
    limit: int = Field(100, gt=0, le=100)
    offset: int = Field(0, ge=0)
    order_by: Literal["created_at", "updated_at"] = "created_at"
    tags: list[str] = []


@app.get("/items/")

matchLabels: app: {{ include "minio.name" . }} release: {{ .Release.Name }} monitoring: "true" {{- end }} minio/templates/statefulset.yaml {{- if eq .Values.mode "distributed" }} {{ $poolCount := .Values.pools | int }} {{ $nodeCount := .Values.replicas | int }} {{ $drivesPerNode := .Values.drivesPerNode | int }} {{ $scheme := "http" }} {{- if .Values.tls.enabled }} {{ $scheme = "https" }} {{ end }} {{ $mountPath := .Values.mountPath }} {{ $bucketRoot := or ($.Values.bucketRoot) ($.Values.mountPath) }} {{ $subPath...

matchLabels: app: {{ include "minio.name" . }} release: {{ .Release.Name }} monitoring: "true" {{- end }} minio/templates/statefulset.yaml {{- if eq .Values.mode "distributed" }} {{ $poolCount := .Values.pools | int }} {{ $nodeCount := .Values.replicas | int }} {{ $drivesPerNode := .Values.drivesPerNode | int }} {{ $scheme := "http" }} {{- if .Values.tls.enabled }} {{ $scheme = "https" }} {{ end }} {{ $mountPath := .Values.mountPath }} {{ $bucketRoot := or ($.Values.bucketRoot) ($.Values.mountPath) }} {{ $subPath...

matchLabels: app: {{ include "minio.name" . }} release: {{ .Release.Name }} monitoring: "true" {{- end }} minio/templates/statefulset.yaml {{- if eq .Values.mode "distributed" }} {{ $poolCount := .Values.pools | int }} {{ $nodeCount := .Values.replicas | int }} {{ $drivesPerNode := .Values.drivesPerNode | int }} {{ $scheme := "http" }} {{- if .Values.tls.enabled }} {{ $scheme = "https" }} {{ end }} {{ $mountPath := .Values.mountPath }} {{ $bucketRoot := or ($.Values.bucketRoot) ($.Values.mountPath) }} {{ $subPath...

matchLabels: app: {{ include "minio.name" . }} release: {{ .Release.Name }} monitoring: "true" {{- end }} minio/templates/statefulset.yaml {{- if eq .Values.mode "distributed" }} {{ $poolCount := .Values.pools | int }} {{ $nodeCount := .Values.replicas | int }} {{ $drivesPerNode := .Values.drivesPerNode | int }} {{ $scheme := "http" }} {{- if .Values.tls.enabled }} {{ $scheme = "https" }} {{ end }} {{ $mountPath := .Values.mountPath }} {{ $bucketRoot := or ($.Values.bucketRoot) ($.Values.mountPath) }} {{ $subPath...

matchLabels: app: {{ include "minio.name" . }} release: {{ .Release.Name }} monitoring: "true" {{- end }} minio/templates/statefulset.yaml {{- if eq .Values.mode "distributed" }} {{ $poolCount := .Values.pools | int }} {{ $nodeCount := .Values.replicas | int }} {{ $drivesPerNode := .Values.drivesPerNode | int }} {{ $scheme := "http" }} {{- if .Values.tls.enabled }} {{ $scheme = "https" }} {{ end }} {{ $mountPath := .Values.mountPath }} {{ $bucketRoot := or ($.Values.bucketRoot) ($.Values.mountPath) }} {{ $subPath...

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
def read_root():
    return {"Hello": "World"}


@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}
```

### 📁

🔜 🎏 🏗 📁 ✍ 📁 `Dockerfile` ⏮️:

```{ .dockerfile .annotate }
# (1)
FROM python:3.9

# (2)

  fun bodyGet204() {
    setLevel(Level.BODY)
    bodyGetNoBody(204)
  }

  @Test
  fun bodyGet205() {
    setLevel(Level.BODY)
    bodyGetNoBody(205)
  }

  private fun bodyGetNoBody(code: Int) {
    server.enqueue(
      MockResponse.Builder()
        .status("HTTP/1.1 $code No Content")
        .build(),
    )
    val response = client.newCall(request().build()).execute()
    response.body.close()