Restrictions for non-skippable format.

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

| Fields ||
|---|---|
| ## `max_duration` | `https://developers.google.com/google-ads/api/reference/rpc/v26/NonSkippableMaxDurationEnum.NonSkippableMaxDuration` The maximum allowed duration for non-skippable ads. |
| ## `min_duration` | `https://developers.google.com/google-ads/api/reference/rpc/v26/NonSkippableMinDurationEnum.NonSkippableMinDuration` The minimum allowed duration for non-skippable ads. |