# Constants | Local Home SDK

# - [smarthome](https://developers.home.google.com/reference/local-home/modules/smarthome).
- Constants

Common data type enumerations.

## Index

### Enumerations

- [BleOperation](https://developers.home.google.com/reference/local-home/enums/smarthome.constants.bleoperation.html)
- [EventType](https://developers.home.google.com/reference/local-home/enums/smarthome.constants.eventtype.html)
- [HttpOperation](https://developers.home.google.com/reference/local-home/enums/smarthome.constants.httpoperation.html)
- [Protocol](https://developers.home.google.com/reference/local-home/enums/smarthome.constants.protocol.html)
- [RadioType](https://developers.home.google.com/reference/local-home/enums/smarthome.constants.radiotype.html)
- [TcpOperation](https://developers.home.google.com/reference/local-home/enums/smarthome.constants.tcpoperation.html)