| `id` | integer/string | yes | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
| `pipeline_schedule_id` | integer | yes | The pipeline schedule id |
| `description` | string | no | The description of pipeline schedule |
| `ref` | string | no | The branch/tag name will be triggered |
| `cron ` | string | no | The cron (e.g. `0 1 * * *`) ([Cron syntax](https://en.wikipedia.org/wiki/Cron)) |
| `cron_timezone ` | string | no | The timezone supproted by `ActiveSupport::TimeZone` (e.g. `Pacific Time (US & Canada)`) or `TZInfo::Timezone` (e.g. `America/Los_Angeles`) |
| `active ` | boolean | no | The activation of pipeline schedule. If false is set, the pipeline schedule will deactivated initially. |