# 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"
}
```