Action Hooks
It’s possible to modify or extend the default behavior of HTML Forms beyond what is possible with the available settings. To achieve this, you can use any of the available action hooks and filter hooks in the plugin.
To learn more about what action hooks are, please refer to the WordPress plugin API documentation.
Available Action Hooks
Below is a list of all available action hooks in the plugin.
hf_form_success
Runs when a form is submitted successfully, after the submission was saved.
Parameters: $submission, $form
hf_form_error
Runs when a form is submitted but a validation error occurs.
Parameters: $error_code, $form, $data
Related Posts from Our Knowledge Base
Roman Grigorian has written a great step-by-step guide on how to use the HTML Forms plugin with Google Tag Manager, Google Analytics, and Google Ads to track submissions: https://romangr.com/blog/gtm-html-forms
HTML Forms supports conditional elements that you can use to hide or show parts of your forms.