param:      Param;
step:       Step;
date:       Date;
hdate:      Date;
expver:     Expver;
time:       Time;

# EFAS/GloFAS Medium Range Forecasts
[ class=ce, expver=xxxx, stream=efcl, date, model, domain, hdate: Year
    [ hdate:Month, type, levtype, origin
        [ hdate:Date, levelist?, time, step, param ]]
]