The video ads sequence step settings containing step ID.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v26/resources/ad_group.proto)

| Fields ||
|---|---|
| ## `step_id` | `int64` The ID of this sequence step from an existing `campaign.video_campaign_settings.video_ad_sequence` definition. Only one Ad Group can point to a given `step_id`. |