OperationMetadata

Metadata for the long-running operation.

JSON representation 
{
  "createTime": string,
  "endTime": string,
  "target": string,
  "verb": string,
  "statusMessage": string,
  "requestedCancellation": boolean,
  "apiVersion": string
}
Fields
createTime

string (Timestamp format)

Output only. Time that the operation was created.

Uses RFC 3339, where generated output will always be Z-normalized and use 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".
endTime

string (Timestamp format)

Output only. Time that the operation finished running.

Uses RFC 3339, where generated output will always be Z-normalized and use 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".
target

string

Output only. A server-defined resource path for the target of the operation.
verb

string

Output only. The name of the verb that was executed by the operation.
statusMessage

string

Output only. A human-readable status of the operation, if any.
requestedCancellation

boolean

Output only. Whether you requested that the operation be cancelled. Operations that were cancelled successfully have an Operation.error value with a status code google.rpc.Status.code.CANCELLED.
apiVersion

string

Output only. The API version used to start the operation. For example, v1.