AI-generated Key Takeaways
- 
          The forecasting period associated with the keyword plan is defined by the intervalfield.
- 
          The intervalfield is required and can be either a future relative date range or a custom date range.
- 
          A future relative date range is defined by date_interval.
- 
          A custom date range is defined by date_range, cannot be greater than a year, and its start and end dates must be in the future.
The forecasting period associated with the keyword plan.
| Fields | |
|---|---|
| Union field 
 | |
| 
 | A future date range relative to the current date used for forecasting. | 
| 
 | The custom date range used for forecasting. It cannot be greater than a year. 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. |