syntax-for-defining-schedule.yml

schedules:
- cron: string # cron syntax defining a schedule
  displayName: string # friendly name given to a specific schedule
  branches:
    # include is calculated first followed by exclude
    # there is no implicit include
    include: [ string ] # which branches the schedule applies to
    exclude: [ string ] # which branches to exclude from the schedule
  always: boolean # whether to always run the pipeline or only if there have been source code changes since the last run. The default is false.