https://community.home-assistant.io/t/volume-down-multiple-times-in-one-service-call/197669/5
VolDown:
cat << 'EOF' >voldown100.yaml
100voldown:
sequence:
repeat:
count: 100
sequence:
- service: media_player.volume_down
entity_id: media_player.freesoftwareservers
EOF
VolUp:
cat << 'EOF' >volup.yaml
volup:
sequence:
repeat:
count: '{{ count }}'
sequence:
- service: media_player.volume_up
entity_id: media_player.freesoftwareservers
EOF