Lonsdale201

// place the code in the child theme functions.php or a custom code snippets plugin like FluentSnippets
// if you want to handle other error statuses, change "invalid_email" to the one you want to monitor.


document.addEventListener( 'DOMContentLoaded', function() {
		const { addAction } = window.JetPlugins.hooks;

		addAction( 'jet.fb.observe.after', 'test/onSubmit', init );
		function init( observable ) {
			observable.form.submitter.status.watch( onFormSubmit );

Qubadi

UPDATED: 04.11.2024
Copy the following HTML code and create a HTML snippet using your snippet plugins. 
Paste the code into the plugin and save it.

Don't forget to add MIME types (image formats), for example, PNG and JPEG, in the media field where it shows 'Allow MIME types.
______________________________________________________

<style>
/* Custom styles for the file upload field */
.jet-form-builder__field-wrap.jet-form-builder-file-upload {