# Activity Timestamps The date and time stamps that are common to authorized payment, captured payment, and refund transactions. ## Structure `ActivityTimestamps` ## Fields | Name | Type | Tags | Description | Getter | Setter | | --- | --- | --- | --- | --- | --- | | `createTime` | `?string` | Optional | The date and time, in [Internet date and time format](https://tools.ietf.org/html/rfc3339#section-5.6). Seconds are required while fractional seconds are optional.
Note: The regular expression provides guidance but does not reject all invalid dates.

**Constraints**: *Minimum Length*: `20`, *Maximum Length*: `64`, *Pattern*: `^[0-9]{4}-(0[1-9]\|1[0-2])-(0[1-9]\|[1-2][0-9]\|3[0-1])[T,t]([0-1][0-9]\|2[0-3]):[0-5][0-9]:([0-5][0-9]\|60)([.][0-9]+)?([Zz]\|[+-][0-9]{2}:[0-9]{2})$` | getCreateTime(): ?string | setCreateTime(?string createTime): void | | `updateTime` | `?string` | Optional | The date and time, in [Internet date and time format](https://tools.ietf.org/html/rfc3339#section-5.6). Seconds are required while fractional seconds are optional.
Note: The regular expression provides guidance but does not reject all invalid dates.

**Constraints**: *Minimum Length*: `20`, *Maximum Length*: `64`, *Pattern*: `^[0-9]{4}-(0[1-9]\|1[0-2])-(0[1-9]\|[1-2][0-9]\|3[0-1])[T,t]([0-1][0-9]\|2[0-3]):[0-5][0-9]:([0-5][0-9]\|60)([.][0-9]+)?([Zz]\|[+-][0-9]{2}:[0-9]{2})$` | getUpdateTime(): ?string | setUpdateTime(?string updateTime): void | ## Example (as JSON) ```json { "create_time": "create_time2", "update_time": "update_time2" } ```