> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v25** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/LiftMeasurementFlight).

A brand lift measurement flight.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/resources/lift_measurement_flight.proto)

| Fields ||
|---|---|
| ## `end_date` | `string` Output only. The end date of the lift measurement flight in the customer's time zone. Format: YYYY-MM-DD |
| ## `lift_measurement_config_id` | `int64` Output only. The lift measurement configuration ID. |
| ## `lift_measurement_flight_id` | `int64` Output only. The lift measurement flight ID. |
| ## `lift_type` | `LiftMetricType` Output only. The lift type measured during this flight. |
| ## `name` | `string` Output only. The name of the lift measurement flight. |
| ## `resource_name` | `string` Immutable. The resource name of the lift measurement flight. Lift measurement flight resource names have the form: `customers/{customer_id}/liftMeasurementFlights/{lift_measurement_configuration_id}~{flight_id}` |
| ## `start_date` | `string` Output only. The start date of the lift measurement flight in the customer's time zone. Format: YYYY-MM-DD |
| ## `status` | `LiftMeasurementFlightStatus` Output only. The status of the lift measurement flight. |
| ## `survey_lift_info` | `LiftMeasurementFlightSurveyLiftInfo` Output only. Flight configuration specific to Survey Lift. |
| ## `survey_lift_measurement` | `LiftMeasurementFlightSurveyLiftMeasurement` Output only. Data about survey lift measurement. |