type: string
description: '[ISO 8601 date](https://en.wikipedia.org/wiki/ISO_8601#Combined_date_and_time_representations) in format `YYYY-MM-DDTHH:MM:SS.SSS`'
format: date
pattern: '^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}.\d+$'
example: '2021-04-01T06:51:44.020'
nullable: true