Triggers are used to manually start a job. They are very similar to resources, the only difference being that updating a resource in the YML will not start the dependent job(s), but a updating a trigger will.

Triggering a manual job through a resource

You could also achieve this by triggering through UI, but this is for those who like to do it with code.

They are typically used in these cases

  • A manual CI build
  • User driven Release Management process
  • Backups
  • Scale the service up or down

Further Reading