This little script will make notify when your transmission finish download or add new queue
pip install transmissionrpc
#or download as zip
git clone https://github.com/tasi788/transmission-telegram-notify.git
#edit config.example.py and rename as config.py
#cp config.example.py config.py
#it's should work, i don't test on my device
sudo cat crontab >> /var/spool/cron/crontabs/"$USER"
service cron reload