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# View Source Grizzly.ZWave.CommandClasses.SoundSwitch (grizzly v7.4.2)

The Sound Switch Command Class is used to manage nodes with a speaker or sound notification capability. It can be used for a doorbell, alarm clock, siren or any device issuing sound notifications.

# Summary

## Types

tone_identifier()

The tone identifier at the receiving node.

volume()

The volume at which a tone is played.

# Types

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# tone_identifier()

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    @type tone_identifier() :: 0..255

The tone identifier at the receiving node.

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# volume()

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    @type volume() :: 0..100 | 255

The volume at which a tone is played.

## Values

- `0` - Indicates an off/mute volume setting.
- `1..100` - Indicates the actual volume setting from 1% to 100%.
- `255` - Restore the most recent non-zero volume setting. This value MUST be ignored if the current volume is not zero. This value MAY be used to set the default tone without modifying the volume setting.