OptionalcronThe cron expression defining the schedule (e.g., "0 0 * * *" for daily at midnight). The schedule is interpreted in the UTC time zone. Required when mode is MANUAL (or unset). Left empty when mode is DERIVED, where the service computes it (aligned to UTC) from the features' window timing and fills it in on the response.
OptionalmodeHow the schedule is determined. Defaults to MANUAL when unset.
A cron-based schedule trigger for the materialization pipeline.