serviceAccount property
The service account used for all user-controlled operations including UpdateBuildTrigger, RunBuildTrigger, CreateBuild, and CancelBuild.
If no service account is set, then the standard Cloud Build service
account ([PROJECT_NUM]@system.gserviceaccount.com) will be used instead.
Format: projects/{PROJECT_ID}/serviceAccounts/{ACCOUNT_ID_OR_EMAIL}
Implementation
core.String? serviceAccount;