KeywordPlanForecastPeriod

The forecasting period associated with the keyword plan.

Fields
Union field interval interval. Required. The date used for forecasting the Plan. interval can be only one of the following:
date_interval	KeywordPlanForecastInterval A future date range relative to the current date used for forecasting.
date_range	DateRange The custom date range used for forecasting. The start and end dates must be in the future. Otherwise, an error will be returned when the forecasting action is performed. The start and end dates are inclusive.