Send yourself a notification with:
$ notifo --user myself --token c01e66f7c7ebb828cd8f59282a3c6c18 'The job is done'
Don't worry about remembering your token:
$ echo "NOTIFO_USER=myself" >> ~/.notifo_credentials
$ echo "NOTIFO_TOKEN=c01e66f7c7ebb828cd8f59282a3c6c18" >> ~/.notifo_credentials