HandlingQueries fetch = new HandlingQueries();
add( completionDateInput.setLabel( Model.of( "Completion" ) ) );
add( new SelectorInForm( "trackingId", "Tracking Id", fetch.cargoIds(), this ).setRequired( true ) );
add( new SelectorInForm( "eventType", "Event Type", fetch.eventTypes(), this ).setRequired( true ) );
add( new SelectorInForm( "unLocode", "Location", new CommonQueries().unLocodes(), this ).setRequired( true ) );
add( new SelectorInForm( "voyageNumber", "Voyage number", fetch.voyages(), this ) );
add( new AjaxFallbackButton( "register", this )
{
@Override
protected void onSubmit( AjaxRequestTarget target, Form<?> form )