class ICommentExtenderFields(Interface):
    attachment = NamedBlobFile(
        title=_(u"Attachment"),
        description=_(u""),
        required=False,
    )
class IMessageboard(form.Schema):
    """
    """
    category = schema.Text(title=_(u"Categories"), required=False)
class IConversation(Interface):
    """
    """

    text = RichText(title=_(u"Text"), required=True)
class IConversation(form.Schema):
    """
    """

    text = RichText(title=_(u"Text"), required=True)