onMessage method

Stream<TeleDartMessage> onMessage({ String? entityType, dynamic keyword, })

Listen to message events with entityType and keyword in text and caption

entityType include mention (@username), hashtag (#hashtag), cashtag($USD), bot_command (/start@jobs_bot), url (https://telegram.org/), email([e-mail]), phone_number ([phone]), bold (bold text), italic (italic text), underline (underlined text), strikethrough (strikethrough text), code (monowidth string), pre (monowidth block), text_link (for clickable text URLs), text_mention (for users without usernames)

Omitting entityType or passing null will results listening to messages with no entityType. To listen to messages of all entityType, pass * as entityType.

Normal message has NO entityType

Normal message accepts regular expressions as keyword

To listen to /start

onMessage(entityType: 'bot_command', keyword: 'start').listen((message) =>
  teledart.telegram.sendMessage(message.chat.id, 'hello world!'));

Implementation

Stream<TeleDartMessage> onMessage({String? entityType, dynamic keyword}) =>
    _event
        .onMessage(entityType: entityType, keyword: keyword)
        .map(_messageStreamMapper);