# BoostPostRequestTargetingCitiesInner
## Properties
**key** | **String** | |
**name** | Option<**String**> | | [optional]
**radius** | Option<**f64**> | Requires distanceUnit. Meta enforces a minimum city radius (~17 km / 10 mi); smaller values resolve to a 0-size audience and the ad fails at launch. For a tighter catchment use customLocations (lat/lng). | [optional]
**distance_unit** | Option<**DistanceUnit**> | (enum: mile, kilometer) | [optional]
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