iso8601_datetime_string
date time in ISO8601 format
stringstring<date-time>
date time in ISO8601 format
Example:
2017-01-01T15:05:05Ziso8601_datetime_string
"2017-01-01T15:05:05Z"
date time in ISO8601 format
date time in ISO8601 format
2017-01-01T15:05:05Z"2017-01-01T15:05:05Z"