title Forms - Symfony Certification Preparation List ✅ ❌ 🌈 ⏩ Back to index Forms Forms - symfony.com ✅ ⏩ Forms creation Creating a Simple Form - symfony.com ✅ Forms handling Handling Form Submissions - symfony.com ✅ Form types Creating Form Classes - symfony.com ✅ Forms rendering with Twig Rendering the Form - symfony.com ✅ Forms theming How to Work with Form Themes - symfony.com ✅ CSRF protection How to Implement CSRF Protection - symfony.com ✅ Handling file upload How to Upload Files - symfony.com ✅ Built-in form types Built-in Field types - symfony.com ✅ Data transformers How to Use Data Transformers - symfony.com ✅ Form events Form Events - symfony.com ✅ 5 Form type extensions How to Create a Form Type Extension - symfony.com ✅