In the Product Requirement Editor (PREd)

If you want a new data feed, please install your data in a test stream (normally, test feed start with a T).

The data will be produced and you can transfer it manually to you server to test using ECMWF Production Data Store (ECPDS) (for users who have permissions to access ECPDS)

If you would like to install your requirements operationaly right away,  install them in an existing operational stream. You can specify your data with the help of so-called snippets (<>).