SystemTimestamps

Timestamps associated with this resource in a particular system.

JSON representation 
{
  "createTime": string,
  "updateTime": string,
  "expireTime": string
}
Fields
createTime

string (Timestamp format)

Creation timestamp of the resource within the given system.

Uses RFC 3339, where generated output will always be Z-normalized and uses 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z", "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30".
updateTime

string (Timestamp format)

Timestamp of the last modification of the resource or its metadata within a given system.

Note: Depending on the source system, not every modification updates this timestamp. For example, BigQuery timestamps every metadata modification but not data or permission changes.

Uses RFC 3339, where generated output will always be Z-normalized and uses 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z", "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30".
expireTime

string (Timestamp format)

Output only. Expiration timestamp of the resource within the given system.

Currently only applicable to BigQuery resources.

Uses RFC 3339, where generated output will always be Z-normalized and uses 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z", "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30".