> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v23** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/ConversionValueRule.ValueRuleItineraryCondition).

Condition on Itinerary dimension.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v23/resources/conversion_value_rule.proto)

| Fields ||
|---|---|
| ## `advance_booking_window` | `ValueRuleItineraryAdvanceBookingWindow` Range for the number of days between the date of the booking and the start of the itinerary. |
| ## `travel_length` | `ValueRuleItineraryTravelLength` Range for the itinerary length in number of nights. |
| ## `travel_start_day` | `ValueRuleItineraryTravelStartDay` The days of the week on which this itinerary's travel can start. |