| `yaml_errors`| string | no | If true, Returns only yaml error pipelines |
| `username`| string | no | The name of user who triggered pipelines |
| `order_by`| string | no | The order_by which is combined with a `sort`, one of: `id`, `status`, `ref`, `user_id`, `started_at`, `finished_at`, `created_at`, `updated_at`; |
| `order_by`| string | no | The order_by which is combined with a `sort`, one of: `id`, `status`, `ref`, `username`, `started_at`, `finished_at`, `created_at`, `updated_at`; |
| `sort` | string | no | The sort method which is combined with an `order_by`, one of: `asc`, `desc`; |