olemus
andmeid sündmuste kohta reaalajas logisse kandma

Wiktionary:
1. (transitive) to make, to add an entry (or more) in a log or logbook.
to log the miles travelled by a ship

ISO/IEC 11518-10:
tulevaseks kasutamiseks sündmuse kirjet tegema
= act of making a record of an event for later use