MessageContent (line-bot-model 4.2.0 API)

All Known Implementing Classes:

AudioMessageContent, FileMessageContent, ImageMessageContent, LocationMessageContent, StickerMessageContent, TextMessageContent, UnknownMessageContent, VideoMessageContent
```
public interface MessageContent
```
Abstract interface of the message content.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  java.lang.String getId()
  Get the message ID.

- Method Detail
  - getId
```
java.lang.String getId()
```
    Get the message ID.