If I add it to a QCTutorial (and make it editable), it works for me. On the QCTutorialModel it doesn't.
It needs some css though.

Stephan

On Sep 11, 2014, at 0:36 , Pablo R. Digonzelli wrote:

<magritteDescription>
^ MADateDescription new
    priority: 200;
    beRequired ;
    label: 'Vencimiento';
    accessor: #vencimiento;
    default: ( Date today + 30 ) ;
    componentClass: MAJQDateInputComponent ;
    comment: 'Fecha de vencimiento de la lista de precios';
    yourself