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.

A timestamp in RFC3339 UTC "Zulu" format, with nanosecond resolution and up to nine fractional digits. Examples: "2014-10-02T15:01:23Z" and "2014-10-02T15:01:23.045123456Z".
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.

A timestamp in RFC3339 UTC "Zulu" format, with nanosecond resolution and up to nine fractional digits. Examples: "2014-10-02T15:01:23Z" and "2014-10-02T15:01:23.045123456Z".
expireTime

string (Timestamp format)

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

Currently only applicable to BigQuery resources.

A timestamp in RFC3339 UTC "Zulu" format, with nanosecond resolution and up to nine fractional digits. Examples: "2014-10-02T15:01:23Z" and "2014-10-02T15:01:23.045123456Z".