vc1.swift

struct HeaderInformation: Decodable {
    let title: String
    let imageUrl: String
    let textColor: UIColor
    static var textColorUserInfoKey: CodingUserInfoKey {
        return CodingUserInfoKey(rawValue: "textColor")!
    }
    init(from decoder: Decoder) throws {
        let container = try decoder.container(keyedBy: CodingKeys.self)
        title = try container.decode(String.self, forKey: .title)
        imageUrl = try container.decode(String.self, forKey: .imageUrl)
        textColor = decoder.userInfo[Self.textColorUserInfoKey] as? UIColor ?? .black
    }
}