Parameters:

1. Telegram bot token — mandatory, e.g. 123456789:ABCDEF...
2. Telegram chat ID — mandatory, e.g. 123456789, -1001234567890, or @channelusername
3. Checkmk site URL — optional, e.g. https://checkmkhost.mycompany.com/my_monitoring
4. Telegram message thread ID — optional, for forum topics in supergroups
5. Disable notification sound — optional; use true, 1, yes, on to send silently