///

## Declare atributos do modelo

Você pode então utilizar `Field` com atributos do modelo:

```Python hl_lines="11-14"
{!../../docs_src/body_fields/tutorial001.py!}
```

`Field` funciona da mesma forma que `Query`, `Path` e `Body`, ele possui todos os mesmos parâmetros, etc.

/// note | "Detalhes técnicos"

		xhttp.AmzSignature,
	)

	// Add missing query parameters if any provided in the request URL
	for k, v := range req.Form {
		if !defaultSigParams.Contains(k) {
			query[k] = v
		}
	}

	// Get the encoded query.
	encodedQuery := query.Encode()

	// Verify if date query is same.
	if req.Form.Get(xhttp.AmzDate) != query.Get(xhttp.AmzDate) {
		return ErrSignatureDoesNotMatch
	}

            cb.query().setCrawler_Equal(Constants.T);
            cb.query().addOrderBy_SortOrder_Asc();
            cb.query().addOrderBy_Name_Asc();
            cb.fetchFirst(fessConfig.getPageScheduledJobMaxFetchSizeAsInteger());
        });
    }

    public void start(final LaCron cron) {
        scheduledJobBhv.selectCursor(cb -> {
            cb.query().setAvailable_Equal(Constants.T);

            assert data == "Session cookie or query token value is: fakesession"
            data = websocket.receive_text()
            assert data == f"Message text was: {message}, for item ID: foo"
            message = "Message two"
            websocket.send_text(message)
            data = websocket.receive_text()
            assert data == "Session cookie or query token value is: fakesession"

            cb.query().setUrl_Wildcard(failureUrlPager.url);
        }

        if (StringUtil.isNotBlank(failureUrlPager.errorCountMax)) {
            cb.query().setErrorCount_LessEqual(Integer.parseInt(failureUrlPager.errorCountMax));
        }
        if (StringUtil.isNotBlank(failureUrlPager.errorCountMin)) {

                        "loc": ["query", "limit"],
                        "msg": "Input should be less than or equal to 100",
                        "input": "150",
                        "ctx": {"le": 100},
                    },
                    {
                        "type": "greater_than_equal",
                        "loc": ["query", "offset"],

        final List<QueryBuilder> queryBuilderList = cb.query().getQueryBuilderList();
        assertEquals(2, queryBuilderList.size());
        assertEquals("TermQueryBuilder", queryBuilderList.get(0).getClass().getSimpleName());
        assertEquals("BoolQueryBuilder", queryBuilderList.get(1).getClass().getSimpleName());
        final List<FieldSortBuilder> fieldSortBuilderList = cb.query().getFieldSortBuilderList();

from fastapi import FastAPI, Query

app = FastAPI()


@app.get("/items/")
async def read_items(
    q: str | None = Query(
        default=None,
        alias="item-query",
        title="Query string",
        description="Query string for the items to search in the database that have a good match",
        min_length=3,
        max_length=50,
        pattern="^fixedquery$",
        deprecated=True,
    ),
):

        Smb2QueryDirectoryRequest query = new Smb2QueryDirectoryRequest(th.getConfig(), this.fileId);
        query.setFileName(this.getWildcard());
        query.setFileIndex(results[ results.length - 1 ].getFileIndex());
        query.setQueryFlags(Smb2QueryDirectoryRequest.SMB2_INDEX_SPECIFIED);
        try {
            Smb2QueryDirectoryResponse r = th.send(query);

from typing import Union

from fastapi import Body, FastAPI, Query
from fastapi.testclient import TestClient

app = FastAPI()


@app.get("/query")
def read_query(q: Union[str, None]):
    return q


@app.get("/explicit-query")
def read_explicit_query(q: Union[str, None] = Query()):
    return q


@app.post("/body-embed")
def send_body_embed(b: Union[str, None] = Body(embed=True)):
    return b