use Reaction::UI::WidgetClass;
-class Field is 'Reaction::UI::Widget::Field', which {
+class Mutable is 'Reaction::UI::Widget::Field', which {
before fragment widget {
arg 'field_id' => event_id 'value';
- arg 'field_name' => event_id 'value';
+ arg 'field_name' => event_id 'value' unless defined $_{field_name};
arg 'field_type' => 'text';
};