Whether to go forward or backward when gathering TRIM records.
TrimGatherDirectionTypes allowed values:
Can be set in: collection.cfg
This setting controls the direction in which the gatherer is going for TRIMPush collections. Possible values are:
It’s usually set to backward to perform an initial crawl by gathering the most recent records first. When the initial crawl is completed, it’s usually set to forward to perform daily gatherings.