@classmethod
def open_dialog(cls, parent, app, connection):
    """
        Certify and identity
        :param sakia.gui.component.controller.ComponentController parent: the parent
        :param sakia.app.Application app: the application
        :param sakia.data.entities.Connection connection: the connection certifying the identity
        :return:
        """
    dialog = cls.create(parent, app, connection=connection)
    dialog.handle_next_step(init=True)
    return dialog.exec()
