I do not know of any examples.
acf_form(array(
'post__id' => 'new_narocilnice',
'field_groups' => array(
'group_XXXXXXX'
)
));
function new_narocilnice_filter($post_id) {
if ($post_id != 'new_narocilnice') {
return $post_id;
}
// get values for new term from $_POST['acf'] values
// https://developer.wordpress.org/reference/functions/wp_insert_term/
$term = insert_term($term_name, $taxonomy, $other_args);
$post_id = 'term_'.$term=>term_id;
return $post_id;
}