DataSource method: DataSource class
Example
import PTFP_FEED:FeedFactory;
import PTFP_FEED:DataSource:DataSource;
Local PTFP_FEED:FeedFactory &thisFeedFactory = create PTFP_FEED:FeedFactory();
Local PTFP_FEED:DataSource:DataSource &thisDS = &thisFeedFactory.⇒
getDataSource("DS_ID");