13.11.2025 | Lothar Ferreira Neumann

How to place HTML elements into webforms via the Source tab

You can add headlines to a webform using the code below. To get to the source section, navigate to the form you want to alter, click on build and then on the source tab like in the screenshot.

Screenshot of the menu to add code to webform

This is just a short example on how to add a headline.

webform_headline.yml
personal_data:
  '#type': html_tag
  '#tag': h3
  '#value': 'Personal data'

It will look something like this:

Headline within a webform

Issue:

You want to insert headings or other text elements into a web form, e.g. to subdivide it for better readability and/or understandability.

Solution:

Use a structured data format to define HTML elements that add the headline "Personal Data" to a web form.