YMK.swift

let router = YMKMapKit.sharedInstance()?.createMasstransitRouter()

let timeOptions = YMKTimeOptions(departureTime: Date(), arrivalTime: nil)
let options = YMKMasstransitOptions(avoidTypes: [], acceptTypes: ["bus"], timeOptions: timeOptions)
let from = YMKPoint(latitude: 55.915501, longitude: 37.745450)
let to = YMKPoint(latitude: 55.887256, longitude: 37.661630)

router?.requestRoutes(withSource: from,
                      destination: to,
                      masstransitOptions: options,
                      routeHandler: { (masstransitRoute, error) in
    print("Handler")
})