enum Source

The source platform or entity that triggered the event.
- `


  ### [sourceUnspecified](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Google/AreaAttendanceStateTrait/Source#/s:15GoogleHomeTypes0A0O24AreaAttendanceStateTraitV6SourceO17sourceUnspecifiedyA2GmF)


  ` The source is unspecified.

  #### Declaration

  Swift

      case sourceUnspecified

- `


  ### [sourceFirstParty](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Google/AreaAttendanceStateTrait/Source#/s:15GoogleHomeTypes0A0O24AreaAttendanceStateTraitV6SourceO16sourceFirstPartyyA2GmF)


  ` The event was triggered by Google first-party signals.

  #### Declaration

  Swift

      case sourceFirstParty

- `


  ### [sourceThirdParty](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Google/AreaAttendanceStateTrait/Source#/s:15GoogleHomeTypes0A0O24AreaAttendanceStateTraitV6SourceO16sourceThirdPartyyA2GmF)


  ` The event was triggered by third-party signals.

  #### Declaration

  Swift

      case sourceThirdParty

- `


  ### [init(rawValue:)](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Google/AreaAttendanceStateTrait/Source#/s:15GoogleHomeTypes0A0O24AreaAttendanceStateTraitV6SourceO8rawValueAGSgs6UInt64V_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. |