# TriggerActivationReasonEnum

    enum TriggerActivationReasonEnum

The reason for transport trigger activation.
- `


  ### [userInitiated](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Matter/PushAvStreamTransportTrait/TriggerActivationReasonEnum#/s:15GoogleHomeTypes6MatterO26PushAvStreamTransportTraitV27TriggerActivationReasonEnumO13userInitiatedyA2GmF)


  ` User initiated.

  #### Declaration

  Swift

      case userInitiated

- `


  ### [automation](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Matter/PushAvStreamTransportTrait/TriggerActivationReasonEnum#/s:15GoogleHomeTypes6MatterO26PushAvStreamTransportTraitV27TriggerActivationReasonEnumO10automationyA2GmF)


  ` Automation.

  #### Declaration

  Swift

      case automation

- `


  ### [emergency](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Matter/PushAvStreamTransportTrait/TriggerActivationReasonEnum#/s:15GoogleHomeTypes6MatterO26PushAvStreamTransportTraitV27TriggerActivationReasonEnumO9emergencyyA2GmF)


  ` Emergency.

  #### Declaration

  Swift

      case emergency

- `


  ### [init(rawValue:)](https://developers.home.google.com/reference/swift/GoogleHomeTypes/Enums/Matter/PushAvStreamTransportTrait/TriggerActivationReasonEnum#/s:15GoogleHomeTypes6MatterO26PushAvStreamTransportTraitV27TriggerActivationReasonEnumO8rawValueAGSgs6UInt64V_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. |