# ExtendedThermostatMode

    enum ExtendedThermostatMode

Represents a mode in which a thermostat can operate.
- `


  ### [standard](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Google/ExtendedThermostatTrait/ExtendedThermostatMode#/s:15GoogleHomeTypes0A0O23ExtendedThermostatTraitV0dE4ModeO8standardyA2GmF)


  ` The thermostat is running in one of the standard modes, not in any of the defined extended
  modes for this trait. For more information, refer to the `systemMode` attribute of the
  Thermostat cluster.

  #### Declaration

  Swift

      case standard

- `


  ### [on](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Google/ExtendedThermostatTrait/ExtendedThermostatMode#/s:15GoogleHomeTypes0A0O23ExtendedThermostatTraitV0dE4ModeO2onyA2GmF)


  ` Restores the previous mode of the device.

  #### Declaration

  Swift

      case on

- `


  ### [purifier](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Google/ExtendedThermostatTrait/ExtendedThermostatMode#/s:15GoogleHomeTypes0A0O23ExtendedThermostatTraitV0dE4ModeO8purifieryA2GmF)


  ` Purifying mode.

  #### Declaration

  Swift

      case purifier

- `


  ### [eco](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Google/ExtendedThermostatTrait/ExtendedThermostatMode#/s:15GoogleHomeTypes0A0O23ExtendedThermostatTraitV0dE4ModeO3ecoyA2GmF)


  ` Energy-saving mode.

  #### Declaration

  Swift

      case eco

- `


  ### [init(rawValue:)](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Google/ExtendedThermostatTrait/ExtendedThermostatMode#/s:15GoogleHomeTypes0A0O23ExtendedThermostatTraitV0dE4ModeO8rawValueAGSgs6UInt64V_tcfc)


  ` Creates a new instance with the specified raw value.

  If there is no value of the type that corresponds with the specified raw
  value, this initializer returns `nil`. For example:

      enum PaperSize: String {
          case A4, A5, Letter, Legal
      }

      print(PaperSize(rawValue: "Legal"))
      // Prints "Optional(PaperSize.Legal)"

      print(PaperSize(rawValue: "Tabloid"))
      // Prints "nil"

  #### Declaration

  Swift

      init?(rawValue: UInt64)

  #### Parameters

  |---|---|
  | ` rawValue ` | The raw value to use for the new instance. |