if (isLoginRequired()) {
            return redirectToLogin();
        }

        return asHtml(virtualHost(path_HelpJsp)).useForm(SearchForm.class, op -> {
            op.setup(form -> {
                buildFormParams(form);
            });
        }).renderWith(data -> {
            buildInitParams();
            RenderDataUtil.register(data, "helpPage", viewHelper.getPagePath("common/help"));
        });
    }

find("*[data-validation]").valAttr("event","keyup change").on("validation",function(b,c){if(!f){f=!0;var g=a(this).closest("form");c&&d(g,this,h)?e(g,"enabled"):e(g,"disabled"),f=!1}}).on("afterValidation",k).on("blur",function(){a(this).valAttr("have-been-blurred",1)}).each(function(){var b=a(this),c=b.attr("data-validation");c.indexOf("checkbox_group")>-1&&b.closest("form").find('input[name="'+b.attr("name")+'"]').each(function(){a(this).on("change",function(){b.validate()})})}),i.find("[data-...

                                    <la:errors/>
                                </div>
                                <div class="form-group row">
                                    <label for="stemmeroverrideFile" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.dict_stemmeroverride_file"/></label>
                                    <div class="col-sm-9">

import jakarta.validation.constraints.Size;

/**
 * The create form for User.
 *
 */
public class CreateForm {

    /**
     * Default constructor.
     */
    public CreateForm() {
        // Empty constructor
    }

    /**
     * The CRUD mode for the form.
     */
    @ValidateTypeFailure
    public Integer crudMode;

    /**

import org.lastaflute.web.validation.Required;

/**
 * Form class for file access operations in the admin design interface.
 * This form handles file name validation for accessing design files.
 */
public class FileAccessForm {

    /** The name of the file to access (required) */
    @Required
    public String fileName;

    /**
     * Default constructor for file access form.
     * Creates a new instance with default values.

	now := UTCNow()
	accessKey := globalActiveCred.AccessKey

	testCases := []struct {
		form     http.Header
		expected APIErrorCode
	}{
		// (0) It should fail if 'X-Amz-Credential' is missing.
		{
			form:     http.Header{},
			expected: ErrCredMalformed,
		},
		// (1) It should fail if the access key is incorrect.
		{
			form: http.Header{

                                    <la:errors property="_global"/>
                                </div>
                                <div class="form-group row">
                                    <label for="input" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.dict_protwords_source"/></label>
                                    <div class="col-sm-9">

Pero `OAuth2PasswordRequestForm` es solo una dependencia de clase que podrías haber escrito tú mismo, o podrías haber declarado parámetros de `Form` directamente.

Pero como es un caso de uso común, se proporciona directamente por **FastAPI**, solo para facilitarlo.

///

### Usa el form data

/// tip | Consejo

<div>
	<fieldset class="mb-3">
		<legend><la:message key="labels.index_num" /></legend>
		<label for="numSearchOption"><la:message key="labels.index_num" /></label>
		<la:select property="num" styleId="numSearchOption"
			styleClass="form-control">
			<option value="10">
				<la:message key="labels.search_result_select_num" />
			</option>
			<la:option value="10">10</la:option>
			<la:option value="20">20</la:option>
			<la:option value="30">30</la:option>

<div>
	<fieldset class="mb-3">
		<legend><la:message key="labels.index_num" /></legend>
		<label for="numSearchOption"><la:message key="labels.index_num" /></label>
		<la:select property="num" styleId="numSearchOption"
			styleClass="form-control">
			<option value="10">
				<la:message key="labels.search_result_select_num" />
			</option>
			<la:option value="10">10</la:option>
			<la:option value="20">20</la:option>
			<la:option value="30">30</la:option>