<img src="/img/tutorial/extending-openapi/image04.png">

## Change Default Swagger UI Parameters { #change-default-swagger-ui-parameters }

FastAPI includes some default configuration parameters appropriate for most of the use cases.

It includes these default configurations:

{* ../../fastapi/openapi/docs.py ln[8:23] hl[17:23] *}

    @Nonnull
    default MessageBuilder warning(Object message) {
        return style("." + Constants.MAVEN_STYLE_WARNING_NAME + ":-" + Constants.MAVEN_STYLE_WARNING_DEFAULT, message);
    }

    /**
     * Append message content in error style.
     * By default, bold red
     *
     * @param message the message to append
     * @return the current builder
     */
    @Nonnull
    default MessageBuilder error(Object message) {

    @Nonnull
    Path userHomeDirectory();

    /**
     * Shorthand for {@link MessageBuilderFactory}.
     */
    default MessageBuilderFactory messageBuilderFactory() {
        return parserRequest().messageBuilderFactory();
    }

    /**
     * Shorthand for {@link Lookup}.
     */
    default Lookup lookup() {
        return parserRequest().lookup();
    }

    /**

		Name2   string    `gorm:"size:233;not null;default:'foo'"`
		Name3   string    `gorm:"size:233;notNull;default:''"`
		Age     int       `gorm:"default:18"`
		Created time.Time `gorm:"default:2000-01-02"`
		Enabled bool      `gorm:"default:true"`
	}

	DB.Migrator().DropTable(&Harumph{})

	if err := DB.AutoMigrate(&Harumph{}); err != nil {
		t.Fatalf("Failed to migrate with default value, got error: %v", err)
	}

#d6d8db;\n}\n\n.alert-default-secondary hr {\n  border-top-color: #c8cbcf;\n}\n\n.alert-default-secondary .alert-link {\n  color: #202326;\n}\n\n.alert-success {\n  color: #fff;\n  background-color: #28a745;\n  border-color: #23923d;\n}\n\n.alert-default-success {\n  color: #155724;\n  background-color: #d4edda;\n  border-color: #c3e6cb;\n}\n\n.alert-default-success hr {\n  border-top-color: #b1dfbb;\n}\n\n.alert-default-success .alert-link {\n  color: #0b2e13;\n}\n\n.alert-info {\n  color: #fff;\n...

     *
     * @return timeout for establishing a socket connection, in milliseconds
     */
    int getConnTimeout();

    /**
     * Property {@code jcifs.smb.client.sessionTimeout} (int, default 35000)
     *
     *
     * @return timeout for SMB sessions, in milliseconds
     */
    int getSessionTimeout();

    /**
     *

    }

    /**
     * Data transfer object representing filesystem statistics.
     */
    public static class FsObj {
        /**
         * Default constructor.
         */
        public FsObj() {
            // Default constructor
        }

        /** The percentage of used space on the filesystem. */
        public short percent;
        /** Used space in bytes */

 * capabilities to the default HTTPS handler. This acts as a wrapper,
 * handling authentication and passing control to the underlying
 * stream handler.
 *
 * @deprecated {@link NtlmHttpURLConnection} is broken by design.
 */
@Deprecated
public class Handler extends jcifs.http.Handler {

    /**
     * The default HTTPS port (<code>443</code>).
     */

    @Nonnull
    Toolchain createToolchain(@Nonnull ToolchainModel model) throws ToolchainFactoryException;

    /**
     * Creates a default toolchain instance using system defaults.
     *
     * @return Optional containing the default toolchain if available
     * @throws ToolchainFactoryException if default toolchain creation fails
     */
    @Nonnull
    Optional<Toolchain> createDefaultToolchain() throws ToolchainFactoryException;

#
# Adjustment Properties:
# o generateOutputDirectory: (NotRequired - Default Java:'../src/main/java' CSharp:'../source')
# o resourceOutputDirectory: (NotRequired - Default '../resources')
# o isTableNameCamelCase: (NotRequired - Default false)
# o isColumnNameCamelCase: (NotRequired - Default false)
# o projectPrefix: (NotRequired - Default '')
# o classAuthor: (NotRequired - Default 'DBFlute(AutoGenerator)')