JobReference

A job reference is a fully qualified identifier for referring to a job.

JSON representation 
{
  "projectId": string,
  "jobId": string,
  "location": string
}
Fields
projectId

string

Required. The ID of the project containing this job.
jobId

string

Required. The ID of the job. The ID must contain only letters (a-z, A-Z), numbers (0-9), underscores (_), or dashes (-). The maximum length is 1,024 characters.
location

string

Optional. The geographic location of the job. The default value is US.

For more information about BigQuery locations, see: https://cloud.google.com/bigquery/docs/locations