'Returns the form markup for this response.
@param form_tag_attrs: Dictionary of attributes to be added to
the form tag. \'accept-charset\' and \'enctype\' have defaults
that can be overridden. If a value is supplied for
\'action\' or \'method\', it will be replaced.
@returntype: str
@since: 2.1.0'

def toFormMarkup(self, form_tag_attrs=None):

    return self.fields.toFormMarkup(self.request.return_to, form_tag_attrs=form_tag_attrs)
