<form action="https://fabform.io/f/{form-id}" method="post">
  <label for="firstName">First Name</label>
  <input name="firstName" type="text" required>
  <label for="lastName">Last Name</label>
  <input name="lastName" type="text" required>
  <label for="email">Email</label>
  <input name="email" type="email" required>
  <button type="submit">Send</button>
</form>