{* ../../docs_src/background_tasks/tutorial001_py39.py hl[6:9] *}

## Adicione a tarefa em segundo plano { #add-the-background-task }

Dentro da sua *função de operação de rota*, passe sua função de tarefa para o objeto de *tarefas em segundo plano* com o método `.add_task()`:

{* ../../docs_src/background_tasks/tutorial001_py39.py hl[14] *}

O `.add_task()` recebe como argumentos:

### Criar Metadados para tags { #create-metadata-for-tags }

Vamos tentar isso em um exemplo com tags para `users` e `items`.

Crie metadados para suas tags e passe-os para o parâmetro `openapi_tags`:

{* ../../docs_src/metadata/tutorial004_py39.py hl[3:16,18] *}

     * the results of a single load operation.
     *
     * @param count the number of misses to record
     * @since 11.0
     */
    void recordMisses(int count);

    /**
     * Records the successful load of a new entry. This should be called when a cache request causes
     * an entry to be loaded, and the loading completes successfully. In contrast to {@link

        v.add(new DERTaggedObject(true, 1, new ASN1Integer(Integer.parseInt(KerberosConstants.KERBEROS_AP_REQ))));
        v.add(new DERTaggedObject(true, 2, new DERBitString(new byte[] { 0x02 })));
        // Tag 3 should be passed as ASN1TaggedObject which will be checked for APPLICATION tag class
        // Create a context-specific tagged object (wrong tag class)

            assertEquals(CLOCK_SEQ_HI_AND_RESERVED, uuid.clock_seq_hi_and_reserved, "clock_seq_hi_and_reserved should be parsed correctly");
            assertEquals(CLOCK_SEQ_LOW, uuid.clock_seq_low, "clock_seq_low should be parsed correctly");
            assertArrayEquals(NODE, uuid.node, "node array should be parsed correctly");
        }

        @Test

        // Act
        SecurityBlob blob = new SecurityBlob(data);

        // Assert
        assertSame(data, blob.get(), "get() should expose the same array reference passed in");
        assertEquals(data.length, blob.length(), "length() should match underlying array length");
        assertEquals("deadbeef", blob.toString(), "toString() should reflect underlying content");

 *     class (such as {@link #named}) return this type, so that Builder methods of more derived
 *     classes can be chained onto them without casting.
 * @param <G> The type of the generator to be passed to testers in the generated test suite. An
 *     instance of G should somehow provide an instance of the class under test, plus any other

         * repository never uses timestamps in the filename of a snapshot artifact. The discrepancy gets notable when a
         * remotely resolved snapshot artifact gets passed into pathOf(). So producing a proper local artifact path
         * using DefaultRepositoryLayout requires us to enforce usage of the artifact's base version. This

			}
			srvRecords = append(srvRecords, record)
		}
	}
	if len(srvRecords) == 0 {
		return nil, ErrNoEntriesFound
	}
	return srvRecords, nil
}

// Retrieves list of entries under the key passed.
// Note that this method fetches entries upto only two levels deep.
func (c *CoreDNS) list(key string, domain bool) ([]SrvRecord, error) {
	ctx, cancel := context.WithTimeout(context.Background(), defaultContextTimeout)

			return err
		}
		for k, v := range uclaims {
			if _, ok := claims[k]; !ok { // only add to claims not update it.
				claims[k] = v
			}
		}
	}
	return nil
}

// DiscoveryDoc - parses the output from openid-configuration
// for example https://accounts.google.com/.well-known/openid-configuration
type DiscoveryDoc struct {
	Issuer                           string   `json:"issuer,omitempty"`