// This is generated by ESQL's AbstractFunctionTestCase. Do no edit it. See ../README.md for how to regenerate it.

*Parameters*

`datePart`::
Part of the date to extract. Can be: aligned_day_of_week_in_month; aligned_day_of_week_in_year; aligned_week_of_month; aligned_week_of_year; ampm_of_day; clock_hour_of_ampm; clock_hour_of_day; day_of_month; day_of_week; day_of_year; epoch_day; era; hour_of_ampm; hour_of_day; instant_seconds; micro_of_day; micro_of_second; milli_of_day; milli_of_second; minute_of_day; minute_of_hour; month_of_year; nano_of_day; nano_of_second; offset_seconds; proleptic_month; second_of_day; second_of_minute; year; or year_of_era.

`date`::
Date expression