apply_filters( 'xmlrpc_default_posttype_fields', array $fields, string $method )

4576			 * @since 3.4.04577			 *4578			 * @param array  $fields An array of post type fields to retrieve. By default,4579			 *                       contains 'labels', 'cap', and 'taxonomies'.4580			 * @param string $method The method name.4581			 */4582			$fields = apply_filters( 'xmlrpc_default_posttype_fields', array( 'labels', 'cap', 'taxonomies' ), 'wp.getPostType' );4583		}4584 4585		$user = $this->login( $username, $password );4586		if ( ! $user ) {4587			return $this->error;4588		}