sendMessage abstract method

Future<V2TimValueCallback<V2TimMessage>> sendMessage({
  1. required String id,
  2. required String receiver,
  3. required String groupID,
  4. MessagePriorityEnum priority = MessagePriorityEnum.V2TIM_PRIORITY_NORMAL,
  5. bool onlineUserOnly = false,
  6. bool isExcludedFromUnreadCount = false,
  7. bool needReadReceipt = false,
  8. OfflinePushInfo? offlinePushInfo,
  9. String? cloudCustomData,
  10. String? localCustomData,
})

Implementation

Future<V2TimValueCallback<V2TimMessage>> sendMessage(
    {required String id, // 自己创建的ID
    required String receiver,
    required String groupID,
    MessagePriorityEnum priority = MessagePriorityEnum.V2TIM_PRIORITY_NORMAL,
    bool onlineUserOnly = false,
    bool isExcludedFromUnreadCount = false,
    bool needReadReceipt = false,
    OfflinePushInfo? offlinePushInfo,
    String? cloudCustomData, // 云自定义消息字段，只能在消息发送前添加
    String? localCustomData});