conversationDeleted method

Implementation

@override
void conversationDeleted(ConversationData conversationData) {
  final conversationSid = conversationData.sid;
  if (conversationSid == null) {
    return;
  }
  final conversation = conversations[conversationSid];
  conversations.remove(conversationSid);
  if (conversation != null) {
    _onConversationDeletedCtrl.add(conversation);
  }
}