Returns documents for a specified time period. This option has an effect only if you set FieldName to an autn_date metadata field. For example, this option allows you to use a single query to determine the number of documents that match a query in each day. The time period is aligned with local system time.

You can use the following values:

You can also add a second time period, to return this second time period in groups according to the first period. The second time period must be larger than the first.

For example:


This action returns all dates grouped into (at most) 24 segments, which represent the hours of the day.

Actions: GetQueryTagValues
Type: String
Example: DatePeriod=year
See Also: FieldName