feat: Checkboxes and Radio Buttons field types (#17934)

Co-authored-by: Your Name <you@example.com>
Co-authored-by: Roman Davydchuk <roman.davydchuk@n8n.io>

packages/cli/templates/form-trigger.handlebars

@@ -295,9 +295,46 @@
 			}
 
 			input[type='checkbox'] {
+				appearance: none;
 				width: var(--checkbox-size);
 				height: var(--checkbox-size);
+				border: 1px solid var(--color-input-border);
+				border-radius: 3px;
 				cursor: pointer;
+				position: relative;
+			}
+			.multiselect-checkbox:checked {
+				background: var(--color-focus-border);
+				border-color: var(--color-focus-border);
+			}
+			.multiselect-checkbox:checked::after {
+				content: '✔';
+				position: absolute;
+				top: 50%;
+				left: 50%;
+				transform: translate(-50%, -50%);
+				color: white;
+				font-size: var(--font-size-label);
+				font-weight: bold;
+			}
+
+			.multiselect[data-radio-select] .multiselect-checkbox {
+				border-radius: 50%;
+				width: var(--checkbox-size);
+				height: var(--checkbox-size);
+				display: flex;
+				align-items: center;
+				justify-content: center;
+			}
+
+			.multiselect[data-radio-select] .multiselect-checkbox:checked {
+				background: white;
+				border-color: var(--color-focus-border);
+				border-width: 4px;
+				border-radius: 50%;
+			}
+			.multiselect[data-radio-select] .multiselect-checkbox:checked::after {
+				content: '';
 			}
 			/* required field ----------------------------- */
 			.form-required {
@@ -454,7 +491,22 @@
 							{{#if isMultiSelect}}
 								<div>
 									<label class='form-label {{inputRequired}}'>{{label}}</label>
-									<div class='multiselect {{inputRequired}}' id='{{id}}'>
+									<div
+									  class='multiselect {{inputRequired}}'
+										id='{{id}}'
+										{{#if radioSelect}}
+											data-radio-select='{{radioSelect}}'
+										{{/if}}
+										{{#if exactSelectedOptions}}
+											data-exact-select='{{exactSelectedOptions}}'
+										{{/if}}
+										{{#if minSelectedOptions}}
+											data-min-select='{{minSelectedOptions}}'
+										{{/if}}
+										{{#if maxSelectedOptions}}
+											data-max-select='{{maxSelectedOptions}}'
+										{{/if}}
+									>
 										{{#each multiSelectOptions}}
 											<div class='multiselect-option'>
 												<input type='checkbox' class='multiselect-checkbox' id='{{id}}' />
@@ -620,6 +672,15 @@
 			</section>
 		</div>
 		<script>
+			function updateError(errorElement, action = 'add', message = '') {
+				if(action === 'add') {
+					errorElement.textContent = message;
+					errorElement.classList.add('error-show');
+				} else {
+					errorElement.classList.remove('error-show');
+				}
+			}
+
 			function validateInput(input, errorElement) {
 				const value = input.value.trim();
 				const type = input.type;
@@ -628,19 +689,17 @@
 					return validateEmailInput(value, errorElement);
 				} else if (type === 'number' && value !== '') {
 					if (isNaN(value)) {
-						errorElement.textContent = 'Enter only numbers in this field';
+						updateError(errorElement, 'add', 'Enter only numbers in this field');
-						errorElement.classList.add('error-show');
 						return false;
 					} else {
-						errorElement.classList.remove('error-show');
+						updateError(errorElement, 'remove');
 						return true;
 					}
 				} else if (value === '') {
-					errorElement.textContent = 'This field is required';
+					updateError(errorElement, 'add', 'This field is required');
-					errorElement.classList.add('error-show');
 					return false;
 				} else {
-					errorElement.classList.remove('error-show');
+					updateError(errorElement, 'remove');
 					return true;
 				}
 			}
@@ -650,12 +709,11 @@
 				const isValidEmail = regex.test(value);
 
 				if (!isValidEmail) {
-					errorElement.textContent = 'Enter a valid email address in this field';
+					updateError(errorElement, 'add', 'Enter a valid email address in this field');
-					errorElement.classList.add('error-show');
 					return false;
 				} else {
 					errorElement.textContent = 'This field is required';
-					errorElement.classList.remove('error-show');
+					updateError(errorElement, 'remove');
 					return true;
 				}
 			}
@@ -674,16 +732,41 @@
 				return selectedValues;
 			}
 
-			function validateMultiselect(input, errorElement) {
+			function getDataValues(input) {
-				const selectedValues = getSelectedValues(input);
+				const radio = input.dataset.radioSelect ? true : false;
+				const exact = input.dataset.exactSelect ? parseInt(input.dataset.exactSelect, 10) : null;
+				const maxSelect = input.dataset.maxSelect ? parseInt(input.dataset.maxSelect, 10) : null;
+				const minSelect = input.dataset.minSelect ? parseInt(input.dataset.minSelect, 10) : null;
+				return { radio, exact, maxSelect, minSelect };
+			}
 
-				if (!selectedValues.length) {
+			function validateMultiselect(input, errorElement) {
-					errorElement.classList.add('error-show');
+				const values = getSelectedValues(input);
+				const data = getDataValues(input);
+				const required = input.classList.contains('form-required');
+
+				if (required && !values.length) {
+					updateError(errorElement, 'add', 'This field is required');
 					return false;
-				} else {
-					errorElement.classList.remove('error-show');
-					return true;
 				}
+
+				if (data.exact && values.length !== data.exact) {
+					updateError(errorElement, 'add', `You must select ${data.exact} options`);
+					return false;
+				}
+
+				if (data.minSelect && values.length < data.minSelect) {
+					updateError(errorElement, 'add', `You must select at least ${data.minSelect} options`);
+					return false;
+				}
+
+				if(data.maxSelect && values.length > data.maxSelect) {
+					updateError(errorElement, 'add', `You can select a maximum of ${data.maxSelect} options`);
+					return false;
+				}
+
+				updateError(errorElement, 'remove');
+				return true;
 			}
 
 			const form = document.querySelector('#n8n-form');
@@ -726,6 +809,32 @@
 
 			const requiredInputs = document.querySelectorAll('.form-required:not(label)');
 			const emailInputs = document.querySelectorAll("input[type=email]");
+			const multiselectInputs = document.querySelectorAll('.multiselect');
+
+			multiselectInputs.forEach((input) => {
+				const data = getDataValues(input);
+				const errorElement = document.querySelector(`.error-${input.id}`);
+
+				if (data.radio) {
+					const checkboxes = input.querySelectorAll('.multiselect-checkbox');
+					checkboxes.forEach((checkbox) => {
+						checkbox.addEventListener('change', (event) => {
+							if (event.target.checked) {
+								checkboxes.forEach((cb) => {
+									if (cb !== event.target) {
+										cb.checked = false;
+									}
+								});
+								updateError(errorElement, 'remove');
+							}
+						});
+					});
+				}
+
+				input.addEventListener('click', () => {
+					validateMultiselect(input, errorElement);
+				});
+			});
 
 			requiredInputs.forEach((input) => {
 				const errorSelector = `.error-${input.id}`;
@@ -740,7 +849,7 @@
 						validateInput(input, error);
 					});
 					input.addEventListener('input', () => {
-						error.classList.remove('error-show');
+						updateError(error, 'remove');
 					});
 				}
 			});
@@ -823,7 +932,7 @@
 					valid.push(validateEmailInput(value, error));
 				});
 
-				requiredInputs.forEach((input) => {
+				[...requiredInputs, ...multiselectInputs].forEach((input) => {
 					const errorSelector = `.error-${input.id}`;
 					const error = document.querySelector(errorSelector);
 

packages/nodes-base/nodes/Form/Form.node.ts

@@ -268,7 +268,9 @@ export class Form extends Node {
 		name: 'form',
 		icon: 'file:form.svg',
 		group: ['input'],
-		version: 1,
+		// since trigger and node are sharing descriptions and logic we need to sync the versions
+		// and keep them aligned in both nodes
+		version: [1, 2.3],
 		description: 'Generate webforms in n8n and pass their responses to the workflow',
 		defaults: {
 			name: 'Form',

packages/nodes-base/nodes/Form/FormTrigger.node.ts

@@ -12,7 +12,7 @@ export class FormTrigger extends VersionedNodeType {
 			icon: 'file:form.svg',
 			group: ['trigger'],
 			description: 'Generate webforms in n8n and pass their responses to the workflow',
-			defaultVersion: 2.2,
+			defaultVersion: 2.3,
 		};
 
 		const nodeVersions: IVersionedNodeType['nodeVersions'] = {
@@ -20,6 +20,7 @@ export class FormTrigger extends VersionedNodeType {
 			2: new FormTriggerV2(baseDescription),
 			2.1: new FormTriggerV2(baseDescription),
 			2.2: new FormTriggerV2(baseDescription),
+			2.3: new FormTriggerV2(baseDescription),
 		};
 
 		super(nodeVersions, baseDescription);

packages/nodes-base/nodes/Form/common.descriptions.ts

@@ -77,6 +77,10 @@ export const formFields: INodeProperties = {
 					default: 'text',
 					description: 'The type of field to add to the form',
 					options: [
+						{
+							name: 'Checkboxes',
+							value: 'checkbox',
+						},
 						{
 							name: 'Custom HTML',
 							value: 'html',
@@ -86,7 +90,7 @@ export const formFields: INodeProperties = {
 							value: 'date',
 						},
 						{
-							name: 'Dropdown List',
+							name: 'Dropdown',
 							value: 'dropdown',
 						},
 						{
@@ -109,6 +113,10 @@ export const formFields: INodeProperties = {
 							name: 'Password',
 							value: 'password',
 						},
+						{
+							name: 'Radio Buttons',
+							value: 'radio',
+						},
 						{
 							name: 'Text',
 							value: 'text',
@@ -141,7 +149,7 @@ export const formFields: INodeProperties = {
 					default: '',
 					displayOptions: {
 						hide: {
-							fieldType: ['dropdown', 'date', 'file', 'html', 'hiddenField'],
+							fieldType: ['dropdown', 'date', 'file', 'html', 'hiddenField', 'radio', 'checkbox'],
 						},
 					},
 				},
@@ -171,6 +179,7 @@ export const formFields: INodeProperties = {
 						},
 					},
 				},
+
 				{
 					displayName: 'Field Options',
 					name: 'fieldOptions',
@@ -203,6 +212,82 @@ export const formFields: INodeProperties = {
 						},
 					],
 				},
+				{
+					displayName: 'Checkboxes',
+					name: 'fieldOptions',
+					placeholder: 'Add Checkbox',
+					type: 'fixedCollection',
+					default: { values: [{ option: '' }] },
+					required: true,
+					displayOptions: {
+						show: {
+							fieldType: ['checkbox'],
+						},
+					},
+					typeOptions: {
+						multipleValues: true,
+						sortable: true,
+					},
+					options: [
+						{
+							displayName: 'Values',
+							name: 'values',
+							values: [
+								{
+									displayName: 'Checkbox Label',
+									name: 'option',
+									type: 'string',
+									default: '',
+								},
+							],
+						},
+					],
+				},
+				{
+					displayName: 'Radio Buttons',
+					name: 'fieldOptions',
+					placeholder: 'Add Radio Button',
+					type: 'fixedCollection',
+					default: { values: [{ option: '' }] },
+					required: true,
+					displayOptions: {
+						show: {
+							fieldType: ['radio'],
+						},
+					},
+					typeOptions: {
+						multipleValues: true,
+						sortable: true,
+					},
+					options: [
+						{
+							displayName: 'Values',
+							name: 'values',
+							values: [
+								{
+									displayName: 'Radio Button Label',
+									name: 'option',
+									type: 'string',
+									default: '',
+								},
+							],
+						},
+					],
+				},
+				{
+					displayName:
+						'Multiple Choice is a legacy option, please use Checkboxes or Radio Buttons field type instead',
+					name: 'multiselectLegacyNotice',
+					type: 'notice',
+					default: '',
+					displayOptions: {
+						show: {
+							multiselect: [true],
+							fieldType: ['dropdown'],
+							'@version': [{ _cnd: { lt: 2.3 } }],
+						},
+					},
+				},
 				{
 					displayName: 'Multiple Choice',
 					name: 'multiselect',
@@ -213,6 +298,80 @@ export const formFields: INodeProperties = {
 					displayOptions: {
 						show: {
 							fieldType: ['dropdown'],
+							'@version': [{ _cnd: { lt: 2.3 } }],
+						},
+					},
+				},
+				{
+					displayName: 'Limit Selection',
+					name: 'limitSelection',
+					type: 'options',
+					default: 'unlimited',
+					options: [
+						{
+							name: 'Exact Number',
+							value: 'exact',
+						},
+						{
+							name: 'Range',
+							value: 'range',
+						},
+						{
+							name: 'Unlimited',
+							value: 'unlimited',
+						},
+					],
+					displayOptions: {
+						show: {
+							fieldType: ['checkbox'],
+						},
+					},
+				},
+				{
+					displayName: 'Number of Selections',
+					name: 'numberOfSelections',
+					type: 'number',
+					default: 1,
+					typeOptions: {
+						numberPrecision: 0,
+						minValue: 1,
+					},
+					displayOptions: {
+						show: {
+							fieldType: ['checkbox'],
+							limitSelection: ['exact'],
+						},
+					},
+				},
+				{
+					displayName: 'Minimum Selections',
+					name: 'minSelections',
+					type: 'number',
+					default: 0,
+					typeOptions: {
+						numberPrecision: 0,
+						minValue: 0,
+					},
+					displayOptions: {
+						show: {
+							fieldType: ['checkbox'],
+							limitSelection: ['range'],
+						},
+					},
+				},
+				{
+					displayName: 'Maximum Selections',
+					name: 'maxSelections',
+					type: 'number',
+					default: 1,
+					typeOptions: {
+						numberPrecision: 0,
+						minValue: 1,
+					},
+					displayOptions: {
+						show: {
+							fieldType: ['checkbox'],
+							limitSelection: ['range'],
 						},
 					},
 				},

packages/nodes-base/nodes/Form/interfaces.ts

@@ -1,20 +1,37 @@
-export type FormTriggerInput = {
+import type { GenericValue } from 'n8n-workflow';
-	isSelect?: boolean;
+
-	isMultiSelect?: boolean;
+export type FormField = {
-	isTextarea?: boolean;
-	isFileInput?: boolean;
-	isInput?: boolean;
-	label: string;
-	defaultValue?: string;
 	id: string;
 	errorId: string;
-	type?: 'text' | 'number' | 'date';
+	label: string;
+	placeholder?: string;
 	inputRequired: 'form-required' | '';
+	type?: 'text' | 'number' | 'date' | 'email';
+	defaultValue: GenericValue;
+
+	isInput?: boolean;
+	isTextarea?: boolean;
+
+	isSelect?: boolean;
 	selectOptions?: string[];
+
+	isMultiSelect?: boolean;
+	radioSelect?: 'radio';
+	exactSelectedOptions?: number;
+	minSelectedOptions?: number;
+	maxSelectedOptions?: number;
 	multiSelectOptions?: Array<{ id: string; label: string }>;
+
+	isFileInput?: boolean;
 	acceptFileTypes?: string;
 	multipleFiles?: 'multiple' | '';
-	placeholder?: string;
+
+	isHtml?: boolean;
+	html?: string;
+
+	isHidden?: boolean;
+	hiddenName?: string;
+	hiddenValue?: GenericValue;
 };
 
 export type FormTriggerData = {
@@ -26,7 +43,7 @@ export type FormTriggerData = {
 	formSubmittedText?: string;
 	redirectUrl?: string;
 	n8nWebsiteLink: string;
-	formFields: FormTriggerInput[];
+	formFields: FormField[];
 	useResponseData?: boolean;
 	appendAttribution?: boolean;
 	buttonLabel?: string;

packages/nodes-base/nodes/Form/test/utils.test.ts

@@ -608,6 +608,440 @@ describe('FormTrigger, prepareFormData', () => {
 	});
 });
 
+describe('FormTrigger, prepareFormData - Checkbox and Radio Fields', () => {
+	it('should correctly handle checkbox fields', () => {
+		const formFields: FormFieldsParameter = [
+			{
+				fieldLabel: 'Hobbies',
+				fieldType: 'checkbox',
+				requiredField: false,
+				fieldOptions: {
+					values: [{ option: 'Reading' }, { option: 'Gaming' }, { option: 'Sports' }],
+				},
+			},
+		];
+
+		const query = { Hobbies: 'Reading,Gaming' };
+
+		const result = prepareFormData({
+			formTitle: 'Test Form',
+			formDescription: 'This is a test form',
+			formSubmittedText: 'Thank you',
+			redirectUrl: 'example.com',
+			formFields,
+			testRun: false,
+			query,
+		});
+
+		expect(result.formFields[0].isMultiSelect).toBe(true);
+		expect(result.formFields[0].multiSelectOptions).toEqual([
+			{ id: 'option0_field-0', label: 'Reading' },
+			{ id: 'option1_field-0', label: 'Gaming' },
+			{ id: 'option2_field-0', label: 'Sports' },
+		]);
+	});
+
+	it('should correctly handle radio fields', () => {
+		const formFields: FormFieldsParameter = [
+			{
+				fieldLabel: 'Preferred Contact Method',
+				fieldType: 'radio',
+				requiredField: true,
+				fieldOptions: {
+					values: [{ option: 'Email' }, { option: 'Phone' }, { option: 'Text Message' }],
+				},
+			},
+		];
+
+		const query = { 'Preferred Contact Method': 'Email' };
+
+		const result = prepareFormData({
+			formTitle: 'Test Form',
+			formDescription: 'This is a test form',
+			formSubmittedText: 'Thank you',
+			redirectUrl: 'example.com',
+			formFields,
+			testRun: false,
+			query,
+		});
+
+		expect(result.formFields[0].radioSelect).toBe('radio');
+		expect(result.formFields[0].multiSelectOptions).toEqual([
+			{ id: 'option0_field-0', label: 'Email' },
+			{ id: 'option1_field-0', label: 'Phone' },
+			{ id: 'option2_field-0', label: 'Text Message' },
+		]);
+		expect(result.formFields[0].defaultValue).toBe('Email');
+	});
+
+	it('should handle checkbox fields with no default selection', () => {
+		const formFields: FormFieldsParameter = [
+			{
+				fieldLabel: 'Newsletter Subscriptions',
+				fieldType: 'checkbox',
+				requiredField: false,
+				fieldOptions: {
+					values: [{ option: 'Tech News' }, { option: 'Product Updates' }],
+				},
+			},
+		];
+
+		const query = {};
+
+		const result = prepareFormData({
+			formTitle: 'Test Form',
+			formDescription: 'This is a test form',
+			formSubmittedText: 'Thank you',
+			redirectUrl: 'example.com',
+			formFields,
+			testRun: false,
+			query,
+		});
+
+		expect(result.formFields[0].isMultiSelect).toBe(true);
+		expect(result.formFields[0].defaultValue).toBe('');
+		expect(result.formFields[0].multiSelectOptions).toEqual([
+			{ id: 'option0_field-0', label: 'Tech News' },
+			{ id: 'option1_field-0', label: 'Product Updates' },
+		]);
+	});
+
+	it('should handle radio fields with no default selection', () => {
+		const formFields: FormFieldsParameter = [
+			{
+				fieldLabel: 'Experience Level',
+				fieldType: 'radio',
+				requiredField: false,
+				fieldOptions: {
+					values: [{ option: 'Beginner' }, { option: 'Intermediate' }, { option: 'Advanced' }],
+				},
+			},
+		];
+
+		const query = {};
+
+		const result = prepareFormData({
+			formTitle: 'Test Form',
+			formDescription: 'This is a test form',
+			formSubmittedText: 'Thank you',
+			redirectUrl: 'example.com',
+			formFields,
+			testRun: false,
+			query,
+		});
+
+		expect(result.formFields[0].radioSelect).toBe('radio');
+		expect(result.formFields[0].defaultValue).toBe('');
+		expect(result.formFields[0].multiSelectOptions).toEqual([
+			{ id: 'option0_field-0', label: 'Beginner' },
+			{ id: 'option1_field-0', label: 'Intermediate' },
+			{ id: 'option2_field-0', label: 'Advanced' },
+		]);
+	});
+
+	it('should handle mixed form with checkbox, radio, and other field types', () => {
+		const formFields: FormFieldsParameter = [
+			{
+				fieldLabel: 'Name',
+				fieldType: 'text',
+				requiredField: true,
+				placeholder: 'Enter your name',
+			},
+			{
+				fieldLabel: 'Skills',
+				fieldType: 'checkbox',
+				requiredField: false,
+				fieldOptions: {
+					values: [{ option: 'JavaScript' }, { option: 'Python' }, { option: 'Java' }],
+				},
+			},
+			{
+				fieldLabel: 'Employment Status',
+				fieldType: 'radio',
+				requiredField: true,
+				fieldOptions: {
+					values: [{ option: 'Full-time' }, { option: 'Part-time' }, { option: 'Freelancer' }],
+				},
+			},
+		];
+
+		const query = {
+			Name: 'John Doe',
+			Skills: 'JavaScript,Python',
+			'Employment Status': 'Full-time',
+		};
+
+		const result = prepareFormData({
+			formTitle: 'Developer Survey',
+			formDescription: 'Tell us about yourself',
+			formSubmittedText: 'Thank you for participating',
+			redirectUrl: 'example.com/thanks',
+			formFields,
+			testRun: false,
+			query,
+		});
+
+		expect(result.formFields[0]).toEqual({
+			id: 'field-0',
+			errorId: 'error-field-0',
+			label: 'Name',
+			inputRequired: 'form-required',
+			defaultValue: 'John Doe',
+			placeholder: 'Enter your name',
+			isInput: true,
+			type: 'text',
+		});
+
+		expect(result.formFields[1].isMultiSelect).toBe(true);
+		expect(result.formFields[1].multiSelectOptions).toEqual([
+			{ id: 'option0_field-1', label: 'JavaScript' },
+			{ id: 'option1_field-1', label: 'Python' },
+			{ id: 'option2_field-1', label: 'Java' },
+		]);
+
+		expect(result.formFields[2].radioSelect).toBe('radio');
+		expect(result.formFields[2].defaultValue).toBe('Full-time');
+		expect(result.formFields[2].multiSelectOptions).toEqual([
+			{ id: 'option0_field-2', label: 'Full-time' },
+			{ id: 'option1_field-2', label: 'Part-time' },
+			{ id: 'option2_field-2', label: 'Freelancer' },
+		]);
+	});
+
+	it('should handle checkbox fields with unique IDs when multiple checkbox fields exist', () => {
+		const formFields: FormFieldsParameter = [
+			{
+				fieldLabel: 'Programming Languages',
+				fieldType: 'checkbox',
+				requiredField: false,
+				fieldOptions: {
+					values: [{ option: 'JavaScript' }, { option: 'Python' }],
+				},
+			},
+			{
+				fieldLabel: 'Frameworks',
+				fieldType: 'checkbox',
+				requiredField: false,
+				fieldOptions: {
+					values: [{ option: 'React' }, { option: 'Vue' }],
+				},
+			},
+		];
+
+		const query = {
+			'Programming Languages': 'JavaScript',
+			Frameworks: 'React,Vue',
+		};
+
+		const result = prepareFormData({
+			formTitle: 'Tech Survey',
+			formDescription: 'Your tech preferences',
+			formSubmittedText: 'Thanks!',
+			redirectUrl: 'example.com',
+			formFields,
+			testRun: false,
+			query,
+		});
+
+		expect(result.formFields[0].multiSelectOptions).toEqual([
+			{ id: 'option0_field-0', label: 'JavaScript' },
+			{ id: 'option1_field-0', label: 'Python' },
+		]);
+
+		expect(result.formFields[1].multiSelectOptions).toEqual([
+			{ id: 'option0_field-1', label: 'React' },
+			{ id: 'option1_field-1', label: 'Vue' },
+		]);
+	});
+
+	it('should handle radio fields with unique IDs when multiple radio fields exist', () => {
+		const formFields: FormFieldsParameter = [
+			{
+				fieldLabel: 'Experience Level',
+				fieldType: 'radio',
+				requiredField: true,
+				fieldOptions: {
+					values: [{ option: 'Junior' }, { option: 'Senior' }],
+				},
+			},
+			{
+				fieldLabel: 'Work Preference',
+				fieldType: 'radio',
+				requiredField: true,
+				fieldOptions: {
+					values: [{ option: 'Remote' }, { option: 'Office' }],
+				},
+			},
+		];
+
+		const query = {
+			'Experience Level': 'Senior',
+			'Work Preference': 'Remote',
+		};
+
+		const result = prepareFormData({
+			formTitle: 'Job Survey',
+			formDescription: 'Your work preferences',
+			formSubmittedText: 'Thanks!',
+			redirectUrl: 'example.com',
+			formFields,
+			testRun: false,
+			query,
+		});
+
+		expect(result.formFields[0].multiSelectOptions).toEqual([
+			{ id: 'option0_field-0', label: 'Junior' },
+			{ id: 'option1_field-0', label: 'Senior' },
+		]);
+
+		expect(result.formFields[1].multiSelectOptions).toEqual([
+			{ id: 'option0_field-1', label: 'Remote' },
+			{ id: 'option1_field-1', label: 'Office' },
+		]);
+	});
+});
+
+describe('addFormResponseDataToReturnItem - Checkbox and Radio Fields', () => {
+	it('should process checkbox field data correctly', () => {
+		const returnItem: INodeExecutionData = { json: {} };
+		const formFields: FormFieldsParameter = [
+			{
+				fieldLabel: 'Hobbies',
+				fieldType: 'checkbox',
+				requiredField: false,
+				fieldOptions: {
+					values: [{ option: 'Reading' }, { option: 'Gaming' }],
+				},
+			},
+		];
+		const bodyData: IDataObject = {
+			'field-0': '["Reading", "Gaming"]',
+		};
+
+		addFormResponseDataToReturnItem(returnItem, formFields, bodyData);
+
+		expect(returnItem.json.Hobbies).toEqual(['Reading', 'Gaming']);
+	});
+
+	it('should process radio field data correctly', () => {
+		const returnItem: INodeExecutionData = { json: {} };
+		const formFields: FormFieldsParameter = [
+			{
+				fieldLabel: 'Preferred Contact',
+				fieldType: 'radio',
+				requiredField: true,
+				fieldOptions: {
+					values: [{ option: 'Email' }, { option: 'Phone' }],
+				},
+			},
+		];
+		const bodyData: IDataObject = {
+			'field-0': '["Email"]',
+		};
+
+		addFormResponseDataToReturnItem(returnItem, formFields, bodyData);
+
+		expect(returnItem.json['Preferred Contact']).toBe('Email');
+	});
+
+	it('should handle radio field with array value by taking first element', () => {
+		const returnItem: INodeExecutionData = { json: {} };
+		const formFields: FormFieldsParameter = [
+			{
+				fieldLabel: 'Priority Level',
+				fieldType: 'radio',
+				requiredField: true,
+				fieldOptions: {
+					values: [{ option: 'High' }, { option: 'Medium' }, { option: 'Low' }],
+				},
+			},
+		];
+		const bodyData: IDataObject = {
+			'field-0': '["High", "Medium"]',
+		};
+
+		addFormResponseDataToReturnItem(returnItem, formFields, bodyData);
+
+		expect(returnItem.json['Priority Level']).toBe('High');
+	});
+
+	it('should handle checkbox field with null value', () => {
+		const returnItem: INodeExecutionData = { json: {} };
+		const formFields: FormFieldsParameter = [
+			{
+				fieldLabel: 'Optional Features',
+				fieldType: 'checkbox',
+				requiredField: false,
+				fieldOptions: {
+					values: [{ option: 'Feature A' }, { option: 'Feature B' }],
+				},
+			},
+		];
+		const bodyData: IDataObject = {};
+
+		addFormResponseDataToReturnItem(returnItem, formFields, bodyData);
+
+		expect(returnItem.json['Optional Features']).toBeNull();
+	});
+
+	it('should handle radio field with null value', () => {
+		const returnItem: INodeExecutionData = { json: {} };
+		const formFields: FormFieldsParameter = [
+			{
+				fieldLabel: 'Rating',
+				fieldType: 'radio',
+				requiredField: false,
+				fieldOptions: {
+					values: [{ option: '1 Star' }, { option: '2 Stars' }],
+				},
+			},
+		];
+		const bodyData: IDataObject = {};
+
+		addFormResponseDataToReturnItem(returnItem, formFields, bodyData);
+
+		expect(returnItem.json.Rating).toBeNull();
+	});
+
+	it('should process mixed form data with checkbox, radio, and other fields', () => {
+		const returnItem: INodeExecutionData = { json: {} };
+		const formFields: FormFieldsParameter = [
+			{
+				fieldLabel: 'Name',
+				fieldType: 'text',
+				requiredField: true,
+			},
+			{
+				fieldLabel: 'Skills',
+				fieldType: 'checkbox',
+				requiredField: false,
+				fieldOptions: {
+					values: [{ option: 'JavaScript' }, { option: 'Python' }],
+				},
+			},
+			{
+				fieldLabel: 'Experience',
+				fieldType: 'radio',
+				requiredField: true,
+				fieldOptions: {
+					values: [{ option: 'Junior' }, { option: 'Senior' }],
+				},
+			},
+		];
+		const bodyData: IDataObject = {
+			'field-0': 'John Doe',
+			'field-1': '["JavaScript", "Python"]',
+			'field-2': '["Senior"]',
+		};
+
+		addFormResponseDataToReturnItem(returnItem, formFields, bodyData);
+
+		expect(returnItem.json.Name).toBe('John Doe');
+		expect(returnItem.json.Skills).toEqual(['JavaScript', 'Python']);
+		expect(returnItem.json.Experience).toBe('Senior');
+	});
+});
+
 jest.mock('luxon', () => ({
 	DateTime: {
 		fromFormat: jest.fn().mockReturnValue({
@@ -1125,6 +1559,22 @@ describe('addFormResponseDataToReturnItem', () => {
 		expect(returnItem.json['Text Field']).toBe('hello world');
 	});
 
+	it('should parse radio field from JSON', () => {
+		const formFields: FormFieldsParameter = [{ fieldLabel: 'Radio Field', fieldType: 'radio' }];
+		const bodyData: IDataObject = { 'field-0': '["option1"]' };
+
+		addFormResponseDataToReturnItem(returnItem, formFields, bodyData);
+		expect(returnItem.json['Radio Field']).toEqual('option1');
+	});
+
+	it('should parse checkboxes fields from JSON', () => {
+		const formFields: FormFieldsParameter = [{ fieldLabel: 'Checkboxes', fieldType: 'checkbox' }];
+		const bodyData: IDataObject = { 'field-0': '["option1", "option2"]' };
+
+		addFormResponseDataToReturnItem(returnItem, formFields, bodyData);
+		expect(returnItem.json['Checkboxes']).toEqual(['option1', 'option2']);
+	});
+
 	it('should parse multiselect fields from JSON', () => {
 		const formFields: FormFieldsParameter = [
 			{ fieldLabel: 'Multi Field', fieldType: 'text', multiselect: true },

packages/nodes-base/nodes/Form/utils/utils.ts

@@ -22,7 +22,7 @@ import { getResolvables } from '../../../utils/utilities';
 import { WebhookAuthorizationError } from '../../Webhook/error';
 import { validateWebhookAuthentication } from '../../Webhook/utils';
 import { FORM_TRIGGER_AUTHENTICATION_PROPERTY } from '../interfaces';
-import type { FormTriggerData, FormTriggerInput } from '../interfaces';
+import type { FormTriggerData, FormField } from '../interfaces';
 
 export function sanitizeHtml(text: string) {
 	return sanitize(text, {
@@ -187,7 +187,7 @@ export function prepareFormData({
 	for (const [index, field] of formFields.entries()) {
 		const { fieldType, requiredField, multiselect, placeholder } = field;
 
-		const input: IDataObject = {
+		const input: FormField = {
 			id: `field-${index}`,
 			errorId: `error-field-${index}`,
 			label: field.fieldLabel,
@@ -196,13 +196,22 @@ export function prepareFormData({
 			placeholder,
 		};
 
-		if (multiselect) {
+		if (multiselect || (fieldType && ['radio', 'checkbox'].includes(fieldType))) {
 			input.isMultiSelect = true;
 			input.multiSelectOptions =
 				field.fieldOptions?.values.map((e, i) => ({
 					id: `option${i}_${input.id}`,
 					label: e.option,
 				})) ?? [];
+
+			if (fieldType === 'radio') {
+				input.radioSelect = 'radio';
+			} else if (field.limitSelection === 'exact') {
+				input.exactSelectedOptions = field.numberOfSelections;
+			} else if (field.limitSelection === 'range') {
+				input.minSelectedOptions = field.minSelections;
+				input.maxSelectedOptions = field.maxSelections;
+			}
 		} else if (fieldType === 'file') {
 			input.isFileInput = true;
 			input.acceptFileTypes = field.acceptFileTypes;
@@ -226,7 +235,7 @@ export function prepareFormData({
 			input.type = fieldType as 'text' | 'number' | 'date' | 'email';
 		}
 
-		formData.formFields.push(input as FormTriggerInput);
+		formData.formFields.push(input);
 	}
 
 	return formData;
@@ -305,8 +314,15 @@ export function addFormResponseDataToReturnItem(
 		if (field.fieldType === 'text') {
 			value = String(value).trim();
 		}
-		if (field.multiselect && typeof value === 'string') {
+		if (
+			(field.multiselect || field.fieldType === 'checkbox' || field.fieldType === 'radio') &&
+			typeof value === 'string'
+		) {
 			value = jsonParse(value);
+
+			if (field.fieldType === 'radio' && Array.isArray(value)) {
+				value = value[0];
+			}
 		}
 		if (field.fieldType === 'date' && value && field.formatDate !== '') {
 			value = DateTime.fromFormat(String(value), 'yyyy-mm-dd').toFormat(field.formatDate as string);

packages/nodes-base/nodes/Form/v2/FormTriggerV2.node.ts

@@ -36,7 +36,9 @@ const descriptionV2: INodeTypeDescription = {
 	name: 'formTrigger',
 	icon: 'file:form.svg',
 	group: ['trigger'],
-	version: [2, 2.1, 2.2],
+	// since trigger and node are sharing descriptions and logic we need to sync the versions
+	// and keep them aligned in both nodes
+	version: [2, 2.1, 2.2, 2.3],
 	description: 'Generate webforms in n8n and pass their responses to the workflow',
 	defaults: {
 		name: 'On form submission',

packages/workflow/src/interfaces.ts

@@ -2857,6 +2857,10 @@ export type FormFieldsParameter = Array<{
 	placeholder?: string;
 	fieldName?: string;
 	fieldValue?: string;
+	limitSelection?: 'exact' | 'range' | 'unlimited';
+	numberOfSelections?: number;
+	minSelections?: number;
+	maxSelections?: number;
 }>;
 
 export type FieldTypeMap = {