{* ../../docs_src/query_params_str_validations/tutorial007_an_py310.py hl[10] *}

E uma `description`:

{* ../../docs_src/query_params_str_validations/tutorial008_an_py310.py hl[14] *}

## Parâmetros com alias { #alias-parameters }

Imagine que você queira que o parâmetro seja `item-query`.

Assim:

```
http://127.0.0.1:8000/items/?item-query=foobaritems
```

				write(v.Raw, stmt.Table)
			} else if stmt.AddError(stmt.Parse(stmt.Model)) == nil {
				write(v.Raw, stmt.Table)
			}
		} else {
			write(v.Raw, v.Name)
		}

		if v.Alias != "" {
			writer.WriteByte(' ')
			write(v.Raw, v.Alias)
		}
	case clause.Column:
		if v.Table != "" {
			if v.Table == clause.CurrentTable {
				write(v.Raw, stmt.Table)
			} else {
				write(v.Raw, v.Table)
			}

        Builtins builtins = new Builtins(context.cwd, configPath, null);
        builtins.rename(Builtins.Command.TTOP, "top");
        builtins.alias("zle", "widget");
        builtins.alias("bindkey", "keymap");

        ShellCommandRegistryHolder holder = new ShellCommandRegistryHolder();
        holder.addCommandRegistry(builtins);

        // gather commands

    for security_dependency in flat_dependant._security_dependencies:
        security_definition = jsonable_encoder(
            security_dependency._security_scheme.model,
            by_alias=True,
            exclude_none=True,
        )
        security_name = security_dependency._security_scheme.scheme_name
        security_definitions[security_name] = security_definition

from fastapi import Cookie, FastAPI, Header, Query
from fastapi.testclient import TestClient
from pydantic import BaseModel, Field

app = FastAPI()


class Model(BaseModel):
    param: str = Field(alias="param_alias")


@app.get("/query")
async def query_model(data: Model = Query()):
    return {"param": data.param}


@app.get("/header")
async def header_model(data: Model = Header()):

app = FastAPI()


class FormModel(BaseModel):
    username: str
    lastname: str
    age: Optional[int] = None
    tags: list[str] = ["foo", "bar"]
    alias_with: str = Field(alias="with", default="nothing")


class FormModelExtraAllow(BaseModel):
    param: str

    model_config = {"extra": "allow"}


@app.post("/form/")
def post_form(user: Annotated[FormModel, Form()]):

     * @param parsed a parsed object.
     * @param alias a alias object.
     * @param tagName a tagName object.
     * @throws XmlPullParserException XmlPullParserException if
     * any.
     * @return boolean
     */
    private boolean checkFieldWithDuplicate(
            XmlPullParser parser, String tagName, String alias, java.util.Set<String> parsed)
            throws XmlPullParserException {

  ACCESS=$(cat /config/rootUser) ; SECRET=$(cat /config/rootPassword) ;
  set +e ; # The connections to minio are allowed to fail.
  echo "Connecting to MinIO server: $SCHEME://$MINIO_ENDPOINT:$MINIO_PORT" ;
  MC_COMMAND="${MC} alias set myminio $SCHEME://$MINIO_ENDPOINT:$MINIO_PORT $ACCESS $SECRET" ;
  $MC_COMMAND ;
  STATUS=$? ;
  until [ $STATUS = 0 ]
  do
    ATTEMPTS=`expr $ATTEMPTS + 1` ;
    echo \"Failed attempts: $ATTEMPTS\" ;

                    }
                })
                .collect(Collectors.toList());
    }

    @Override
    public Collection<Alias> aliases() {
        return Collections.emptyList();
    }

///

/// note | Détails techniques

Vous pouvez également utiliser `from starlette.responses import JSONResponse`.

Pour plus de commodités, **FastAPI** fournit les objets `starlette.responses` sous forme d'un alias accessible par `fastapi.responses`. Mais la plupart des réponses disponibles proviennent directement de Starlette. Il en est de même avec l'objet `statut`.

///

## Documents OpenAPI et API