OperationMetadata

Metadata about a long-running operation.

JSON representation 
{
  "createTime": string,
  "endTime": string,
  "target": string,
  "statusDetail": string,
  "errorDetail": string
}
Fields
createTime

string (Timestamp format)

Output only. The time at which this operation was created.

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".
endTime

string (Timestamp format)

Output only. The time at which this operation was completed.

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".
target

string

Output only. The name of the resource associated to this operation.
statusDetail

string

Output only. Human-readable status of the operation, if any.
errorDetail

string

Output only. Human-readable status of any error that occurred during the operation.