Class NewMessage

async function eventPrint(event: NewMessageEvent) {
const message = event.message;

  // Checks if it's a private message (from user or bot)
  if (event.isPrivate){
      // prints sender id
      console.log(message.senderId);
      // read message
      if (message.text == "hello"){
          const sender = await message.getSender();
          console.log("sender is",sender);
          await client.sendMessage(sender,{
              message:`hi your id is ${message.senderId}`
          });
      }
  }
}
// adds an event handler for new messages
client.addEventHandler(eventPrint, new NewMessage({}));