## Start device verification

`client.App.Verifications.New(ctx, body) (*AppVerificationNewResponse, error)`

**post** `/v1/app/setup/verifications`

Start verifying this device from another signed-in device.

### Parameters

- `body AppVerificationNewParams`

  - `Purpose param.Field[AppVerificationNewParamsPurpose]`

    Why this verification is being started.

    - `const AppVerificationNewParamsPurposeLogin AppVerificationNewParamsPurpose = "login"`

    - `const AppVerificationNewParamsPurposeDevice AppVerificationNewParamsPurpose = "device"`

  - `UserID param.Field[string]`

    Beeper user ID to verify. Defaults to the signed-in user.

### Returns

- `type AppVerificationNewResponse struct{…}`

  - `Session AppVerificationNewResponseSession`

    Current app sign-in and encrypted messaging setup state.

    - `E2EE AppVerificationNewResponseSessionE2EE`

      Encrypted messaging setup status.

      - `CrossSigning bool`

        Whether this account can verify trusted devices.

      - `FirstSyncDone bool`

        Whether the first encrypted message sync is complete.

      - `HasBackedUpRecoveryKey bool`

        Whether the user confirmed that they saved their recovery key.

      - `Initialized bool`

        Whether encrypted messaging setup has started.

      - `KeyBackup bool`

        Whether encrypted message backup is available.

      - `Secrets AppVerificationNewResponseSessionE2EESecrets`

        Encrypted messaging keys available on this device.

        - `MasterKey bool`

          Whether the account identity key is available.

        - `MegolmBackupKey bool`

          Whether the encrypted message backup key is available.

        - `RecoveryKey bool`

          Whether a recovery key is available.

        - `SelfSigningKey bool`

          Whether the device trust key is available.

        - `UserSigningKey bool`

          Whether the user trust key is available.

      - `SecretStorage bool`

        Whether secure key storage is available.

      - `Verified bool`

        Whether this device is trusted for encrypted messages.

      - `RecoveryKeyGeneratedAt float64`

        Unix timestamp for when the recovery key was created.

    - `State string`

      Current sign-in and encrypted messaging setup state for Beeper Desktop or Beeper Server.

      - `const AppVerificationNewResponseSessionStateNeedsLogin AppVerificationNewResponseSessionState = "needs-login"`

      - `const AppVerificationNewResponseSessionStateInitializing AppVerificationNewResponseSessionState = "initializing"`

      - `const AppVerificationNewResponseSessionStateNeedsCrossSigningSetup AppVerificationNewResponseSessionState = "needs-cross-signing-setup"`

      - `const AppVerificationNewResponseSessionStateNeedsVerification AppVerificationNewResponseSessionState = "needs-verification"`

      - `const AppVerificationNewResponseSessionStateNeedsSecrets AppVerificationNewResponseSessionState = "needs-secrets"`

      - `const AppVerificationNewResponseSessionStateNeedsFirstSync AppVerificationNewResponseSessionState = "needs-first-sync"`

      - `const AppVerificationNewResponseSessionStateReady AppVerificationNewResponseSessionState = "ready"`

    - `Matrix AppVerificationNewResponseSessionMatrix`

      Signed-in account details. Omitted until sign-in is complete.

      - `DeviceID string`

        Current device ID.

      - `Homeserver string`

        Beeper homeserver URL for this account.

      - `UserID string`

        Signed-in Beeper user ID.

    - `Verification AppVerificationNewResponseSessionVerification`

      Trusted device verification progress.

      - `ID string`

        Verification ID to pass in verification action paths.

      - `AvailableActions []string`

        Verification actions that are valid for the current state.

        - `const AppVerificationNewResponseSessionVerificationAvailableActionAccept AppVerificationNewResponseSessionVerificationAvailableAction = "accept"`

        - `const AppVerificationNewResponseSessionVerificationAvailableActionCancel AppVerificationNewResponseSessionVerificationAvailableAction = "cancel"`

        - `const AppVerificationNewResponseSessionVerificationAvailableActionQrConfirmScanned AppVerificationNewResponseSessionVerificationAvailableAction = "qr.confirmScanned"`

        - `const AppVerificationNewResponseSessionVerificationAvailableActionSASStart AppVerificationNewResponseSessionVerificationAvailableAction = "sas.start"`

        - `const AppVerificationNewResponseSessionVerificationAvailableActionSASConfirm AppVerificationNewResponseSessionVerificationAvailableAction = "sas.confirm"`

      - `Direction string`

        Whether this device started or received the verification.

        - `const AppVerificationNewResponseSessionVerificationDirectionIncoming AppVerificationNewResponseSessionVerificationDirection = "incoming"`

        - `const AppVerificationNewResponseSessionVerificationDirectionOutgoing AppVerificationNewResponseSessionVerificationDirection = "outgoing"`

      - `Methods []string`

        Verification methods supported for this transaction.

        - `const AppVerificationNewResponseSessionVerificationMethodQr AppVerificationNewResponseSessionVerificationMethod = "qr"`

        - `const AppVerificationNewResponseSessionVerificationMethodSAS AppVerificationNewResponseSessionVerificationMethod = "sas"`

      - `Purpose string`

        Why this verification exists.

        - `const AppVerificationNewResponseSessionVerificationPurposeLogin AppVerificationNewResponseSessionVerificationPurpose = "login"`

        - `const AppVerificationNewResponseSessionVerificationPurposeDevice AppVerificationNewResponseSessionVerificationPurpose = "device"`

      - `State string`

        Current trusted-device verification state.

        - `const AppVerificationNewResponseSessionVerificationStateRequested AppVerificationNewResponseSessionVerificationState = "requested"`

        - `const AppVerificationNewResponseSessionVerificationStateReady AppVerificationNewResponseSessionVerificationState = "ready"`

        - `const AppVerificationNewResponseSessionVerificationStateSASReady AppVerificationNewResponseSessionVerificationState = "sas_ready"`

        - `const AppVerificationNewResponseSessionVerificationStateQrScanned AppVerificationNewResponseSessionVerificationState = "qr_scanned"`

        - `const AppVerificationNewResponseSessionVerificationStateDone AppVerificationNewResponseSessionVerificationState = "done"`

        - `const AppVerificationNewResponseSessionVerificationStateCancelled AppVerificationNewResponseSessionVerificationState = "cancelled"`

        - `const AppVerificationNewResponseSessionVerificationStateError AppVerificationNewResponseSessionVerificationState = "error"`

      - `Error AppVerificationNewResponseSessionVerificationError`

        Verification error details, if verification stopped.

        - `Code string`

          Verification error code.

        - `Reason string`

          User-facing verification error message.

      - `OtherDevice AppVerificationNewResponseSessionVerificationOtherDevice`

        Other device participating in verification.

        - `ID string`

          Other device ID.

        - `Name string`

          Other device display name, if known.

      - `OtherUserID string`

        Other Beeper user participating in verification.

      - `Qr AppVerificationNewResponseSessionVerificationQr`

        QR verification data.

        - `Data string`

          QR code payload to display for verification.

      - `SAS AppVerificationNewResponseSessionVerificationSAS`

        Emoji or number comparison data for verification.

        - `Emojis string`

          Emoji sequence to compare on both devices.

        - `Decimals string`

          Number sequence to compare on both devices.

  - `Verification AppVerificationNewResponseVerification`

    Trusted device verification progress.

    - `ID string`

      Verification ID to pass in verification action paths.

    - `AvailableActions []string`

      Verification actions that are valid for the current state.

      - `const AppVerificationNewResponseVerificationAvailableActionAccept AppVerificationNewResponseVerificationAvailableAction = "accept"`

      - `const AppVerificationNewResponseVerificationAvailableActionCancel AppVerificationNewResponseVerificationAvailableAction = "cancel"`

      - `const AppVerificationNewResponseVerificationAvailableActionQrConfirmScanned AppVerificationNewResponseVerificationAvailableAction = "qr.confirmScanned"`

      - `const AppVerificationNewResponseVerificationAvailableActionSASStart AppVerificationNewResponseVerificationAvailableAction = "sas.start"`

      - `const AppVerificationNewResponseVerificationAvailableActionSASConfirm AppVerificationNewResponseVerificationAvailableAction = "sas.confirm"`

    - `Direction string`

      Whether this device started or received the verification.

      - `const AppVerificationNewResponseVerificationDirectionIncoming AppVerificationNewResponseVerificationDirection = "incoming"`

      - `const AppVerificationNewResponseVerificationDirectionOutgoing AppVerificationNewResponseVerificationDirection = "outgoing"`

    - `Methods []string`

      Verification methods supported for this transaction.

      - `const AppVerificationNewResponseVerificationMethodQr AppVerificationNewResponseVerificationMethod = "qr"`

      - `const AppVerificationNewResponseVerificationMethodSAS AppVerificationNewResponseVerificationMethod = "sas"`

    - `Purpose string`

      Why this verification exists.

      - `const AppVerificationNewResponseVerificationPurposeLogin AppVerificationNewResponseVerificationPurpose = "login"`

      - `const AppVerificationNewResponseVerificationPurposeDevice AppVerificationNewResponseVerificationPurpose = "device"`

    - `State string`

      Current trusted-device verification state.

      - `const AppVerificationNewResponseVerificationStateRequested AppVerificationNewResponseVerificationState = "requested"`

      - `const AppVerificationNewResponseVerificationStateReady AppVerificationNewResponseVerificationState = "ready"`

      - `const AppVerificationNewResponseVerificationStateSASReady AppVerificationNewResponseVerificationState = "sas_ready"`

      - `const AppVerificationNewResponseVerificationStateQrScanned AppVerificationNewResponseVerificationState = "qr_scanned"`

      - `const AppVerificationNewResponseVerificationStateDone AppVerificationNewResponseVerificationState = "done"`

      - `const AppVerificationNewResponseVerificationStateCancelled AppVerificationNewResponseVerificationState = "cancelled"`

      - `const AppVerificationNewResponseVerificationStateError AppVerificationNewResponseVerificationState = "error"`

    - `Error AppVerificationNewResponseVerificationError`

      Verification error details, if verification stopped.

      - `Code string`

        Verification error code.

      - `Reason string`

        User-facing verification error message.

    - `OtherDevice AppVerificationNewResponseVerificationOtherDevice`

      Other device participating in verification.

      - `ID string`

        Other device ID.

      - `Name string`

        Other device display name, if known.

    - `OtherUserID string`

      Other Beeper user participating in verification.

    - `Qr AppVerificationNewResponseVerificationQr`

      QR verification data.

      - `Data string`

        QR code payload to display for verification.

    - `SAS AppVerificationNewResponseVerificationSAS`

      Emoji or number comparison data for verification.

      - `Emojis string`

        Emoji sequence to compare on both devices.

      - `Decimals string`

        Number sequence to compare on both devices.

### Example

```go
package main

import (
  "context"
  "fmt"

  "github.com/beeper/desktop-api-go"
  "github.com/beeper/desktop-api-go/option"
)

func main() {
  client := beeperdesktopapi.NewClient(
    option.WithAccessToken("My Access Token"),
  )
  verification, err := client.App.Verifications.New(context.TODO(), beeperdesktopapi.AppVerificationNewParams{

  })
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", verification.Session)
}
```

#### Response

```json
{
  "session": {
    "e2ee": {
      "crossSigning": true,
      "firstSyncDone": true,
      "hasBackedUpRecoveryKey": true,
      "initialized": true,
      "keyBackup": true,
      "secrets": {
        "masterKey": true,
        "megolmBackupKey": true,
        "recoveryKey": true,
        "selfSigningKey": true,
        "userSigningKey": true
      },
      "secretStorage": true,
      "verified": true,
      "recoveryKeyGeneratedAt": 0
    },
    "state": "needs-login",
    "matrix": {
      "deviceID": "deviceID",
      "homeserver": "homeserver",
      "userID": "userID"
    },
    "verification": {
      "id": "id",
      "availableActions": [
        "accept"
      ],
      "direction": "incoming",
      "methods": [
        "qr"
      ],
      "purpose": "login",
      "state": "requested",
      "error": {
        "code": "code",
        "reason": "reason"
      },
      "otherDevice": {
        "id": "id",
        "name": "name"
      },
      "otherUserID": "otherUserID",
      "qr": {
        "data": "data"
      },
      "sas": {
        "emojis": "emojis",
        "decimals": "decimals"
      }
    }
  },
  "verification": {
    "id": "id",
    "availableActions": [
      "accept"
    ],
    "direction": "incoming",
    "methods": [
      "qr"
    ],
    "purpose": "login",
    "state": "requested",
    "error": {
      "code": "code",
      "reason": "reason"
    },
    "otherDevice": {
      "id": "id",
      "name": "name"
    },
    "otherUserID": "otherUserID",
    "qr": {
      "data": "data"
    },
    "sas": {
      "emojis": "emojis",
      "decimals": "decimals"
    }
  }
}
```