Forecasted traffic metrics for the planned products and targeting.

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

| Fields ||
|---|---|
| ## `clicks` | `int64` The number of clicks, which is the main user action associated with an ad format of bid type CPC (Cost-Per-Click). See <https://support.google.com/google-ads/answer/31799> for more information on clicks. |
| ## `conversions` | `double` The number of conversions. This metric is only available for DEMAND_GEN plannable products. See <https://support.google.com/google-ads/answer/2375431> for more information on conversions. |
| ## `effective_frequency_breakdowns[]` | `https://developers.google.com/google-ads/api/reference/rpc/v26/EffectiveFrequencyBreakdown` A list of effective frequency forecasts. The list is ordered starting with 1+ and ending with the value set in GenerateReachForecastRequest.effective_frequency_limit. If no effective_frequency_limit was set, this list will be empty. |
| ## `on_target_coview_impressions` | `int64` Number of ad impressions that exactly matches the Targeting including co-viewers. |
| ## `on_target_coview_reach` | `int64` Number of unique people reached that exactly matches the Targeting including co-viewers. |
| ## `on_target_impressions` | `int64` Number of ad impressions that exactly matches the Targeting. |
| ## `on_target_reach` | `int64` Number of unique people reached at least GenerateReachForecastRequest.min_effective_frequency or GenerateReachForecastRequest.effective_frequency_limit times that exactly matches the Targeting. Note that a minimum number of unique people must be reached in order for data to be reported. If the minimum number is not met, the on_target_reach value will be rounded to 0. |
| ## `total_coview_impressions` | `int64` Total number of ad impressions including co-viewers. This includes impressions that may fall outside the specified Targeting, due to insufficient information on signed-in users. |
| ## `total_coview_reach` | `int64` Number of unique people reached including co-viewers. This includes people that may fall outside the specified Targeting. |
| ## `total_impressions` | `int64` Total number of ad impressions. This includes impressions that may fall outside the specified Targeting, due to insufficient information on signed-in users. |
| ## `total_reach` | `int64` Total number of unique people reached at least GenerateReachForecastRequest.min_effective_frequency or GenerateReachForecastRequest.effective_frequency_limit times. This includes people that may fall outside the specified Targeting. Note that a minimum number of unique people must be reached in order for data to be reported. If the minimum number is not met, the total_reach value will be rounded to 0. |
| ## `trueview_views` | `int64` Number of ad views forecasted for the specified product and targeting. A TrueView View is counted when a viewer views a larger portion or the entirety of an ad beyond an impression. See <https://support.google.com/google-ads/answer/2375431> for more information on TrueView Views. |
| ## `viewable_impressions` | `int64` Number of times the ad's impressions were considered viewable. See <https://support.google.com/google-ads/answer/7029393> for more information about what makes an ad viewable and how viewability is measured. |