Output bar cadence for the prepared range. Defaults to the publisher's
native cadence (1s); coarser cadences are produced on demand via
resampling and stored alongside the native blob in cache. Coarser-than-
source values must be exact multiples of the source cadence — invalid
labels return 400.
from
from:string
Start date for the preparation process. Supports the following formats:
Output bar cadence for the prepared range. Defaults to the publisher's native cadence (
1s); coarser cadences are produced on demand via resampling and stored alongside the native blob in cache. Coarser-than- source values must be exact multiples of the source cadence — invalid labels return400.