def METHOD_NAME(self):
    """Retrieves the data for scanner.
    Returns:
        list: a list of Resources, with a type in
            SUPPORTED_RETENTION_RES_TYPES
    """
    model_manager = self.service_config.model_manager
    scoped_session, data_access = model_manager.get(self.model_name)
    retention_res = []
    with scoped_session as session:
        for resource_type in rre.SUPPORTED_RETENTION_RES_TYPES:
            for resource in data_access.scanner_iter(
                    session, resource_type):
                parent = resource_util.create_resource(
                    resource_id=resource.parent.name,
                    resource_type=resource.parent.type
                )
                parent.full_name = resource.parent.full_name
                new_res = resource_util.create_resource_from_json(
                    resource_type, parent, resource.data)
                retention_res.append(new_res)
    return retention_res