# TriStateAutoEnum

    enum TriStateAutoEnum

Used for the `nightVision` \[CameraAvStreamManagementTrait.Attributes.nightVision\] attribute,
allowing the Night Vision mode to be set.
- `


  ### [off](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Matter/CameraAvStreamManagementTrait/TriStateAutoEnum#/s:15GoogleHomeTypes6MatterO29CameraAvStreamManagementTraitV16TriStateAutoEnumO3offyA2GmF)


  ` Off.

  #### Declaration

  Swift

      case off

- `


  ### [on](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Matter/CameraAvStreamManagementTrait/TriStateAutoEnum#/s:15GoogleHomeTypes6MatterO29CameraAvStreamManagementTraitV16TriStateAutoEnumO2onyA2GmF)


  ` On.

  #### Declaration

  Swift

      case on

- `


  ### [auto](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Matter/CameraAvStreamManagementTrait/TriStateAutoEnum#/s:15GoogleHomeTypes6MatterO29CameraAvStreamManagementTraitV16TriStateAutoEnumO4autoyA2GmF)


  ` Auto.

  #### Declaration

  Swift

      case auto

- `


  ### [init(rawValue:)](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Matter/CameraAvStreamManagementTrait/TriStateAutoEnum#/s:15GoogleHomeTypes6MatterO29CameraAvStreamManagementTraitV16TriStateAutoEnumO8rawValueAGSgs6UInt64V_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. |