from fastapi import Body, FastAPI
from pydantic import Field

app = FastAPI()


@app.post("/items/")
async def create_items(items: Annotated[list[int], Field(min_length=1), Body()]):
    return items
```

instead of:

```python
# DO NOT DO THIS
from typing import Annotated

from fastapi import FastAPI
from pydantic import Field, RootModel

app = FastAPI()

            // Verify private fields using reflection
            Field bindingField = DcerpcBind.class.getDeclaredField("binding");
            bindingField.setAccessible(true);
            assertSame(mockBinding, bindingField.get(bindWithParams), "Binding should be set");

            Field maxXmitField = DcerpcBind.class.getDeclaredField("max_xmit");

                    if (limitOfDocumentSize > 0) {
                        long size = 0;
                        for (final String field : supportedFields) {
                            final Object value = source.get(field);
                            if (value != null) {
                                size += value.toString().length();
                            }
                        }

You can use Pydantic's model configuration to `forbid` any `extra` fields:

{* ../../docs_src/cookie_param_models/tutorial002_an_py310.py hl[10] *}

If a client tries to send some **extra cookies**, they will receive an **error** response.

        super.tearDown(testInfo);
        // Clear static fields
        clearStaticFields();
    }

    private void clearStaticFields() throws Exception {
        Field runningField = Crawler.class.getDeclaredField("running");
        runningField.setAccessible(true);
        ((AtomicBoolean) runningField.get(null)).set(false);

        Field errorsField = Crawler.class.getDeclaredField("errors");

## List alanları { #list-fields }

Bir attribute’u bir alt tipe sahip olacak şekilde tanımlayabilirsiniz. Örneğin, bir Python `list`:

{* ../../docs_src/body_nested_models/tutorial001_py310.py hl[12] *}

Bu, `tags`’in bir list olmasını sağlar; ancak list’in elemanlarının tipini belirtmez.

## Tip parametresi olan list alanları { #list-fields-with-type-parameter }

		h.Mode |= c_ISGID
	}
	if fm&fs.ModeSticky != 0 {
		h.Mode |= c_ISVTX
	}
	// If possible, populate additional fields from OS-specific
	// FileInfo fields.
	if sys, ok := fi.Sys().(*Header); ok {
		// This FileInfo came from a Header (not the OS). Use the
		// original Header to populate all remaining fields.
		h.Uid = sys.Uid
		h.Gid = sys.Gid
		h.Uname = sys.Uname
		h.Gname = sys.Gname
		h.AccessTime = sys.AccessTime

If you want to read more about these encodings and form fields, head to the [<abbr title="Mozilla Developer Network">MDN</abbr> web docs for `POST`](https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/POST).

///

/// warning

        setField(transport, "mid", new AtomicLong());
    }

    // Utility: reflectively set a private/protected field (searches up the hierarchy)
    private static void setField(Object target, String name, Object value) {
        try {
            Field f = findField(target.getClass(), name);
            f.setAccessible(true);
            f.set(target, value);
        } catch (Exception e) {

        } catch (IOException e) {
            throw new PACDecodingException("Malformed kerberos ticket", e);
        }

        Enumeration<?> fields = sequence.getObjects();
        while (fields.hasMoreElements()) {
            ASN1TaggedObject tagged = ASN1Util.as(ASN1TaggedObject.class, fields);

            switch (tagged.getTagNo()) {
            case 0: // Ticket Flags
                break;
            case 1: // Key