toJson method

@override Map<String, dynamic> toJson([ dynamic extra ])

Implementation

@override
Map<String, dynamic> toJson([dynamic extra]) {
  return {
    "@type": CONSTRUCTOR,
    "id": id,
    "title": title,
    "performer": performer,
    "audio_url": audioUrl,
    "audio_duration": audioDuration,
    "reply_markup": replyMarkup?.toJson(),
    "input_message_content": inputMessageContent.toJson(),
  };
}