swift Moya video upload

let videoData: Data = video
                let videoDataProvider = Moya.MultipartFormData(provider: MultipartFormData.FormDataProvider.data(videoData),
                                                               name: "video",
                                                               fileName: "video.mp4",
                                                               mimeType: "video/mp4")
                let ownerData = Moya.MultipartFormData(provider: .data("\(owner)".data(using: .utf8)!),
                                                       name: "owner")
                let diaryData = Moya.MultipartFormData(provider: .data("\(diary)".data(using: .utf8)!),
                                                       name: "diary")
                return [videoDataProvider, ownerData, diaryData]