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Forms Skill

This skill guides you through creating forms with validation in Salesforce B2C Commerce using the SFRA patterns.

Overview

B2C Commerce forms consist of three parts:

1. Form Definition - XML file defining fields, validation, and actions
2. Controller Logic - Server-side form handling and processing
3. Template - ISML template rendering the HTML form

File Location

Forms are defined in the cartridge's forms directory:

/my-cartridge
    /cartridge
        /forms
            /default              # Default locale
                profile.xml
                contact.xml
            /de_DE               # German-specific (optional)
                address.xml

Form Definition (XML)

Basic Structure

<?xml version="1.0" encoding="UTF-8"?>
<form xmlns="http://www.demandware.com/xml/form/2008-04-19">
    <field formid="email" label="form.email.label" type="string"
           mandatory="true" max-length="50"
           regexp="^[\w.%+-]+@[\w.-]+\.\w{2,6}$"
           parse-error="form.email.invalid"/>

    <field formid="password" label="form.password.label" type="string"
           mandatory="true" min-length="8" max-length="255"
           missing-error="form.password.required"/>

    <field formid="rememberMe" label="form.remember.label" type="boolean"/>

    <action formid="submit" valid-form="true"/>
    <action formid="cancel" valid-form="false"/>
</form>

Field Types

Key Field Attributes

Validation Error Messages

See Form XML Reference for complete field attributes, groups, lists, and validation patterns.

Controller Logic (SFRA)

Rendering a Form

'use strict';

var server = require('server');
var csrfProtection = require('*/cartridge/scripts/middleware/csrf');

server.get('Show',
    csrfProtection.generateToken,
    function (req, res, next) {
        var form = server.forms.getForm('profile');
        form.clear();  // Reset previous values

        res.render('account/profile', {
            profileForm: form
        });
        next();
    }
);

module.exports = server.exports();

Processing Form Submission

server.post('Submit',
    server.middleware.https,
    csrfProtection.validateAjaxRequest,
    function (req, res, next) {
        var form = server.forms.getForm('profile');

        if (!form.valid) {
            res.json({
                success: false,
                fields: getFormErrors(form)
            });
            return next();
        }

        // Access form values
        var email = form.email.value;
        var firstName = form.firstName.value;

        // Process and save data
        this.on('route:BeforeComplete', function () {
            var Transaction = require('dw/system/Transaction');
            Transaction.wrap(function () {
                customer.profile.email = email;
                customer.profile.firstName = firstName;
            });
        });

        res.json({ success: true });
        next();
    }
);

function getFormErrors(form) {
    var errors = {};
    Object.keys(form).forEach(function (key) {
        if (form[key] && form[key].error) {
            errors[key] = form[key].error;
        }
    });
    return errors;
}

Prepopulating Forms

server.get('Edit', function (req, res, next) {
    var form = server.forms.getForm('profile');
    form.clear();

    var profile = req.currentCustomer.profile;
    form.firstName.value = profile.firstName;
    form.lastName.value = profile.lastName;
    form.email.value = profile.email;

    res.render('account/editProfile', { profileForm: form });
    next();
});

Template (ISML)

Basic Form Template

<form action="${pdict.actionUrl}" method="POST" name="profile-form"
      class="form-horizontal" data-action="${URLUtils.url('Profile-Submit')}">

    <!-- CSRF Token -->
    <input type="hidden" name="${pdict.csrf.tokenName}" value="${pdict.csrf.token}"/>

    <div class="form-group ${pdict.profileForm.email.mandatory ? 'required' : ''}">
        <label for="email" class="form-control-label">
            ${Resource.msg('form.email.label', 'forms', null)}
        </label>
        <input type="email"
               id="email"
               name="email"
               class="form-control ${pdict.profileForm.email.error ? 'is-invalid' : ''}"
               value="${pdict.profileForm.email.value || ''}"
               <isif condition="${pdict.profileForm.email.mandatory}">required</isif>
               maxlength="${pdict.profileForm.email.maxLength || 50}"/>
        <isif condition="${pdict.profileForm.email.error}">
            <div class="invalid-feedback">${pdict.profileForm.email.error}</div>
        </isif>
    </div>

    <button type="submit" class="btn btn-primary">
        ${Resource.msg('button.submit', 'forms', null)}
    </button>
</form>

Localization

Form labels and errors use resource bundles:

forms.properties:

form.email.label=Email Address
form.email.required=Email is required
form.email.invalid=Please enter a valid email address
form.password.label=Password
button.submit=Submit

forms_de_DE.properties:

form.email.label=E-Mail-Adresse
form.email.required=E-Mail ist erforderlich

Best Practices

1. Always use CSRF protection for form submissions
2. Clear forms before displaying to reset state
3. Use resource keys for labels and errors (localization)
4. Validate server-side even with client-side validation
5. Useroute:BeforeComplete for database operations
6. Return JSON for AJAX form submissions

Detailed Reference

For comprehensive form patterns:

• Form XML Reference - Complete XML schema, validation patterns, and examples

Weekly Installs

62

Repository

salesforcecomme…-tooling

GitHub Stars

34

First Seen

Feb 21, 2026

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