--- ## Register customer account --- This method registers a new customer with an email, password, and optional data. This method requires the context object with a customer’s email, password, and optional data. Omitted fields are not modified. Depending on the backend configuration, the account may require activation. For details, see [customer registration](/developers/mobile-sdk/user-identification-and-authorization/overview). Do not allow signing in again (or signing up) when a customer is already signed in. Sign the customer out first. Do not create multiple instances nor call this method multiple times before execution. This method is a global operation and doesn't require customer authentication.

The API key must have the `SAUTH_REGISTER_CLIENT_CREATE` permission from the **Client** group.

**Declared In:** lib/modules/client/client_impl.dart **Class:** [ClientImpl](/developers/mobile-sdk/class-reference/flutter/modules#client)

**Declaration:**

Future<void> registerAccount(ClientAccountRegisterContext context, {required void Function() onSuccess, required void Function(SyneriseError) onError}) async

**Parameters:** | Parameter | Type | Mandatory | Default | Description | | --- | --- | --- | --- | --- | | **context** | [ClientAccountRegisterContext](/developers/mobile-sdk/class-reference/flutter/client#clientaccountregistercontext) | yes | - | Object with the customer's email, password, and other optional data | | **onSuccess** | Function() | yes | - | Function to be executed when the operation is completed successfully | | **onError** | Function([SyneriseError](/developers/mobile-sdk/class-reference/flutter/miscellaneous#syneriseerror) error) | yes | - | Function to be executed when the operation is completed with an error | **Return Value:** No value is returned. **Example:**

ClientAccountRegisterContext clientAccountRegisterContext = ClientAccountRegisterContext(email: email, password: password);

await Synerise.client.registerAccount(clientAccountRegisterContext, onSuccess: () {
  //onSuccess handling
}, onError: (SyneriseError error) {
  //onError handling
});

**Declaration:**

Future<void> registerAccount(ClientAccountRegisterContext context) async

await Synerise.client.registerAccount(clientAccountRegisterContext).catchError((error)

## Request customer account activation --- This method requests sending an email with a URL that confirms the registration and activates the account. This method is a global operation and doesn't require customer authentication.

The API key must have the `SAUTH_CONFIRMATION_CLIENT_CREATE` permission from the **Client** group.

**Declared In:** lib/modules/client/client_impl.dart **Class:** [ClientImpl](/developers/mobile-sdk/class-reference/flutter/modules#client)

**Declaration:**

Future<void> requestAccountActivation(String email,
      {required void Function() onSuccess,
      required void Function(SyneriseError error) onError}) async

Before version 2.0.0, this method was called `activateAccount` **Parameters:** | Parameter | Type | Mandatory | Default | Description | | --- | --- | --- | --- | --- | | **email** | String | yes | - | Customer’s email | | **onSuccess** | Function() | yes | - | Function to be executed when the operation is completed successfully | | **onError** | Function([SyneriseError](/developers/mobile-sdk/class-reference/flutter/miscellaneous#syneriseerror) error) | yes | - | Function to be executed when the operation is completed with an error | **Return Value:** No value is returned. **Example:**

await Synerise.client.synerise-flutter-sdkAccount(email, onSuccess: () {
      //onSuccess handling
    }, onError: (SyneriseError error) {
      //onError handling
    });

**Declaration:**

Future<void> activateAccount(String email) async

**Parameters:** | Parameter | Type | Mandatory | Default | Description | | --- | --- | --- | --- | --- | | **email** | String | yes | - | Customer’s email | **Return Value:** No value is returned. **Example:**

await Synerise.client.activateAccount(email).catchError((error)

## Confirm customer account activation --- This method confirms a customer account with the confirmation token. This method is a global operation and doesn't require customer authentication.

Returns the HTTP 400 status code if the account is already confirmed or 404 if the account does not exist.

The API key must have the `SAUTH_CONFIRMATION_CLIENT_CREATE` permission from the **Client** group.

**Declared In:** lib/modules/client/client_impl.dart **Class:** [ClientImpl](/developers/mobile-sdk/class-reference/flutter/modules#client)

**Declaration:**

Future<void> confirmAccountActivation(String token, {required void Function() onSuccess, required void Function(SyneriseError) onError}) async

Before version 1.0.0, this method was called `confirmAccount`.

**Parameters:** | Parameter | Type | Mandatory | Default | Description | | --- | --- | --- | --- | --- | | **token** | String | yes | - | Customer’s token provided by email | | **onSuccess** | Function() | yes | - | Function to be executed when the operation is completed successfully | | **onError** | Function([SyneriseError](/developers/mobile-sdk/class-reference/flutter/miscellaneous#syneriseerror) error) | yes | - | Function to be executed when the operation is completed with an error | **Return Value:** No value is returned. **Example:**

await Synerise.client.confirmAccountActivation(token, onSuccess: () {
      //onSuccess handling
    }, onError: (SyneriseError error) {
      //onError handling
    });

**Declaration:**

Future<void> confirmAccountActivation(String token) async

**Parameters:** | Parameter | Type | Mandatory | Default | Description | | --- | --- | --- | --- | --- | | **token** | String | yes | - | Customer’s token provided by email | **Return Value:** No value is returned. **Example:**

await Synerise.client.confirmAccount(token).catchError((error)

## Request customer account activation by pin --- This method requests a customer's account registration process with the PIN code. This method is a global operation and doesn't require customer authentication.

The API key must have the `SAUTH_PIN_CODE_RESEND_CLIENT_CREATE` permission from the **Client** group.

**Declared In:** lib/modules/client/client_impl.dart **Class:** [ClientImpl](/developers/mobile-sdk/class-reference/flutter/modules#client)

**Declaration:**

Future<void> requestAccountActivationByPin(String email, {required void Function() onSuccess, required void Function(SyneriseError) onError}) async

**Parameters:** | Parameter | Type | Mandatory | Description | | --- | --- | --- | --- | | **email** | String | yes | Customer's email | | **onSuccess** | Function() | yes | - | Function to be executed when the operation is completed successfully | | **onError** | Function([SyneriseError](/developers/mobile-sdk/class-reference/flutter/miscellaneous#syneriseerror) error) | yes | - | Function to be executed when the operation is completed with an error | **Return Value:** No value is returned. **Example:**

await Synerise.client.requestAccountActivationByPin(email, onSuccess: () {
  //onSuccess handling
}, onError: (SyneriseError error) {
  //onError handling
});

**Declaration:**

Future<void> requestAccountActivationByPin(String email) async

**Parameters:** | Parameter | Type | Mandatory | Description | | --- | --- | --- | --- | | **email** | String | yes | Customer's email | **Return Value:** No value is returned. **Example:**

await Synerise.client.requestAccountActivationByPin(email).catchError((error) {

## Confirm customer account activation by pin --- This method confirms a customer's account registration process with the PIN code. This method is a global operation and doesn't require customer authentication.

The API key must have the `SAUTH_PIN_CODE_RESEND_CLIENT_CREATE` permission from the **Client** group.

**Declared In:** lib/modules/client/client_impl.dart **Class:** [ClientImpl](/developers/mobile-sdk/class-reference/flutter/modules#client)

**Declaration:**

Future<void> confirmAccountActivationByPin(String email, String pinCode, {required void Function() onSuccess, required void Function(SyneriseError) onError}) async

**Parameters:** | Parameter | Type | Mandatory | Description | | --- | --- | --- | --- | | **pinCode** | String | yes | Code sent to a customer's email | | **email** | String | yes | Customer's email | | **onSuccess** | Function() | yes | Function to be executed when the operation is completed successfully | | **onError** | Function([SyneriseError](/developers/mobile-sdk/class-reference/flutter/miscellaneous#syneriseerror) error) | yes | Function to be executed when the operation is completed with an error | **Return Value:** No value is returned. **Example:**

await Synerise.client.confirmAccountActivationByPin(email, pinCode, onSuccess: () {
      //onSuccess handling
    }, onError: (SyneriseError error) {
      //onError handling
    });

**Declaration:**

Future<void> confirmAccountActivationByPin(String email, String pinCode) async

await Synerise.client.confirmAccountActivationByPin(email, pinCode).catchError((error) {

## Sign in a customer --- This method signs a customer in to obtain a JSON Web Token (JWT) which can be used in subsequent requests. The SDK will refresh the token before each call if it is about to expire (but not expired). Do NOT allow signing in again (or signing up) when a customer is already signed in. First, sign the customer out. Do NOT create multiple instances nor call this method multiple times before execution. **Declared In:** lib/modules/client/client_impl.dart **Class:** [ClientImpl](/developers/mobile-sdk/class-reference/flutter/modules#client)

**Declaration:**

Future<void> signIn(String email, String password, {required void Function() onSuccess, required void Function(SyneriseError) onError}) async

**Parameters:** | Parameter | Type | Mandatory | Default | Description | | --- | --- | --- | --- | --- | | **email** | String | yes | - | Customer’s email | | **password** | String | yes | - | Customer’s password | | **onSuccess** | Function() | yes | - | Function to be executed when the operation is completed successfully | | **onError** | Function([SyneriseError](/developers/mobile-sdk/class-reference/flutter/miscellaneous#syneriseerror) error) | yes | - | Function to be executed when the operation is completed with an error | **Return Value:** No value is returned. **Example:**

await Synerise.client.signIn(email, password, onSuccess: () {
  //onSuccess handling
}, onError: (SyneriseError error) {
  //onError handling
});

**Declaration:**

Future<void> signIn(String email, String password) async

await Synerise.client.signIn(email,password).catchError((error)

## Sign in a customer conditionally --- This method signs a customer in to obtain a JSON Web Token (JWT) which can be used in subsequent requests. The SDK will refresh the token before each call if it is about to expire (but not expired). Do NOT allow signing in again (or signing up) when a customer is already signed in. First, sign the customer out. Do NOT create multiple instances nor call this method multiple times before execution. | | **iOS SDK** | **Android SDK** | **React Native SDK** | **Flutter SDK** | | --- | --- | --- | --- | --- | | Introduced in: | 3.7.6 | 3.8.0 | 0.9.19 | n/a | **Declared In:** lib/modules/client/client_impl.dart **Related To:** [ClientConditionalAuthResult](/developers/mobile-sdk/class-reference/flutter/client#clientconditionalauthresult) **Class:** [ClientImpl](/developers/mobile-sdk/class-reference/flutter/modules#client)

**Declaration:**

Future<void> signInConditionally(String email, String password,
      {required void Function(ClientConditionalAuthResult) onSuccess,
      required void Function(SyneriseError error) onError}) async

**Parameters:** | Parameter | Type | Mandatory | Description | | --- | --- | --- | --- | | **email** | String | yes | Customer's email | | **password** | String | yes | Customer's password | **Return Value:** No value is returned. **Example:**

```Dart await Synerise.client.signInConditionally(email, password, onSuccess: (ClientConditionalAuthResult result) { //onSuccess handling }, onError: (SyneriseError error) { //onError handling }); ```

**Declaration:**

Future<ClientConditionalAuthResult> signInConditionally(String email, String password) async

```Dart await Synerise.client.signInConditionally(email, password).catchError((error) ```

## Authenticate customer by IdentityProvider --- This method authenticates a customer with OAuth, Facebook, Google, Apple, or Synerise. If an account for the customer does not exist and the identity provider is different than Synerise, this request creates an account. | | **iOS SDK** | **Android SDK** | **React Native SDK** | **Flutter SDK** | | --- | --- | --- | --- | --- | | Introduced in: | 3.7.6 | 3.8.0 | 0.9.19 | 0.3.0 | **Declared In:** lib/modules/client/client_impl.dart **Related To:** [ClientAuthContext](/developers/mobile-sdk/class-reference/flutter/client#clientauthcontext) [ClientIdentityProvider](/developers/mobile-sdk/class-reference/flutter/client#clientidentityprovider) **Class:** [ClientImpl](/developers/mobile-sdk/class-reference/flutter/modules#client)

**Declaration:**

Future<void> authenticate(ClientAuthContext clientAuthContext, IdentityProvider identityProvider, String tokenString,
    {required void Function(bool) onSuccess, required void Function(SyneriseError) onError}) async

**Parameters:** | Parameter | Type | Mandatory | Default | Description | | --- | --- | --- | --- | --- | | **clientAuthContext** | [ClientAuthContext](/developers/mobile-sdk/class-reference/flutter/client#clientauthcontext) | yes | - | Object which contains agreements, attributes, and identifier of authorization | | **identityProvider** | [ClientIdentityProvider](/developers/mobile-sdk/class-reference/flutter/client#clientidentityprovider) | yes | - | Provider of your token | | **tokenString** | String | yes | - | Token retrieved from provider | | **onSuccess** | Function() | yes | - | Function to be executed when the operation is completed successfully | | **onError** | Function([SyneriseError](/developers/mobile-sdk/class-reference/flutter/miscellaneous#syneriseerror) error) | yes | - | Function to be executed when the operation is completed with an error | **Return Value:** No value is returned. **Example:**

await Synerise.client.authenticate(clientAuthContext, identityProvider, tokenString, onSuccess: (bool result) {
      //onSuccess handling
    }, onError: (SyneriseError error) {
      //onError handling
    });

**Declaration:**

Future<bool> authenticate(ClientAuthContext clientAuthContext, IdentityProvider identityProvider, String tokenString) async

**Parameters:** | Parameter | Type | Mandatory | Default | Description | | --- | --- | --- | --- | --- | | **clientAuthContext** | [ClientAuthContext](/developers/mobile-sdk/class-reference/flutter/client#clientauthcontext) | yes | - | Object which contains agreements, attributes, and identifier of authorization | | **identityProvider** | [ClientIdentityProvider](/developers/mobile-sdk/class-reference/flutter/client#clientidentityprovider) | yes | - | Provider of your token | | **tokenString** | String | yes | - | Token retrieved from provider | **Return Value:** **true** if the operation is success, otherwise it throws an error. **Example:**

await Synerise.client.authenticate(clientAuthContext, identityProvider, tokenString).catchError((error)

## Authenticate customer conditionally by IdentityProvider --- This method authenticates a customer with OAuth, Facebook, Google, Apple, or Synerise. | | **iOS SDK** | **Android SDK** | **React Native SDK** | **Flutter SDK** | | --- | --- | --- | --- | --- | | Introduced in: | 3.7.6 | 3.8.0 | 0.9.19 | n/a | **Declared In:** lib/modules/client/client_impl.dart **Related To:** [ClientConditionalAuthResult](/developers/mobile-sdk/class-reference/flutter/client#clientconditionalauthresult) [ClientIdentityProvider](/developers/mobile-sdk/class-reference/flutter/client#clientidentityprovider) **Class:** [ClientImpl](/developers/mobile-sdk/class-reference/flutter/modules#client)

**Declaration:**

Future<void> authenticateConditionally(ClientAuthContext clientAuthContext, IdentityProvider identityProvider, String tokenString,
    {String? authID, required void Function(ClientConditionalAuthResult) onSuccess, required void Function(SyneriseError) onError}) async

**Parameters:** | Parameter | Type | Optional | Description | | --- | --- | --- | --- | | **clientAuthContext** | [ClientAuthContext](/developers/mobile-sdk/class-reference/flutter/client#clientauthcontext) | no | Object which contains agreements and attributes | | **identityProvider** | [ClientIdentityProvider](/developers/mobile-sdk/class-reference/flutter/client#clientidentityprovider) | no | Provider of your token | | **tokenString** | String | no | Token retrieved from provider | | **authID** | String | yes | Optional identifier of authorization | | **onSuccess** | Function([ClientConditionalAuthResult](/developers/mobile-sdk/class-reference/flutter/client#clientconditionalauthresult) result) | yes | Function to be executed when the operation is completed successfully | | **onError** | Function([SyneriseError](/developers/mobile-sdk/class-reference/flutter/miscellaneous#syneriseerror) error) | yes | Function to be executed when the operation is completed with an error |

**authID** parameter is used for decreasing the number of UUID refreshes, so it must be unique for every customer.

**Return Value:** No value is returned. **Example:**

Token token = Token(tokenString: "tokenString", origin: TokenOrigin.anonymous, expirationDate: DateTime;
    await Synerise.client.retrieveToken(onSuccess: (Token token) {
      token = token;
    }, onError: (SyneriseError error) {
    //onError handling
    });
    String tokenString = token.tokenString;
    IdentityProvider identityProvider = IdentityProvider.oauth;
    
    await Synerise.client.authenticateConditionally(identityProvider, tokenString, onSuccess: (ClientConditionalAuthResult result) {
      //onSuccess handling
    }, onError: (SyneriseError error) {
      //onError handling
    });

**Declaration:**

Future<ClientConditionalAuthResult> authenticateConditionally(ClientAuthContext clientAuthContext, IdentityProvider identityProvider, String tokenString) async

**Parameters:** | Parameter | Type | Optional | Description | | --- | --- | --- | --- | | **token** | String | no | Token retrieved from provider | | **clientIdentityProvider** | [ClientIdentityProvider](/developers/mobile-sdk/class-reference/flutter/client#clientidentityprovider) | no | Provider of your token | | **authID** | String | yes | Optional identifier of authorization | | **context** | [ClientConditionalAuthContext](/developers/mobile-sdk/class-reference/flutter/client#clientconditionalauthcontext) | no | Object which contains agreements and attributes |

**authID** parameter is used for decreasing the number of UUID refreshes, so it must be unique for every customer.

**Return Value:** [ClientConditionalAuthResult](/developers/mobile-sdk/class-reference/flutter/client#clientconditionalauthresult) **Example:**

ClientAgreements? agreements = ClientAgreements(push: false, rfid: false, wifi: false);
    Map<String, Object>? attributes;
    ClientAuthContext clientAuthContext = ClientAuthContext(authId: 'AUTH_ID', agreements: agreements, attributes: attributes);
    Token token = await Synerise.client.retrieveToken().catchError((error) {
      String errorMessage = Utils.handlePlatformException(error);
      Utils.displaySimpleAlert("error on handling api call \n $errorMessage", context);
      throw Exception(errorMessage);
    });
    String tokenString = token.tokenString;
    IdentityProvider identityProvider = IdentityProvider.oauth;
    
    ClientConditionalAuthResult result =
        await Synerise.client.authenticateConditionally(clientAuthContext, identityProvider, tokenString).catchError((error) {
      String errorMessage = Utils.handlePlatformException(error);
      Utils.displaySimpleAlert("error on handling api call: you need to be signed in to authenticate \n $errorMessage", context);
      throw Exception(errorMessage);
    });

## Authenticate customer via Simple Profile Authentication --- This method authenticates a customer with Simple Profile Authentication. | | **iOS SDK** | **Android SDK** | **React Native SDK** | **Flutter SDK** | | --- | --- | --- | --- | --- | | Introduced in: | 4.14.0 | 5.7.1 | 0.15.0 | 0.7.0 |

When you use this method, you must set a request validation salt by using the `Synerise.setRequestValidationSalt(_:)` method (if salt is enabled for Simple Profile Authentication).

The API key must have the `SAUTH_SIMPLE_AUTH_CREATE` from the **Auth** group.

**Declared In:** lib/modules/client/client_impl.dart **Related To:** [ClientSimpleAuthenticationData](/developers/mobile-sdk/class-reference/flutter/client#clientsimpleauthenticationdata) **Class:** [ClientImpl](/developers/mobile-sdk/class-reference/flutter/modules#client)

**Declaration:**

Future<void> simpleAuthentication(ClientSimpleAuthenticationData data, String authID, {required void Function() onSuccess, required void Function(SyneriseError) onError}) async

**Parameters:** | Parameter | Type | Mandatory | Description | | --- | --- | --- | --- | | **data** | [ClientSimpleAuthenticationData](/developers/mobile-sdk/class-reference/flutter/client#clientsimpleauthenticationdata) | yes | Object which contains customer data | | **authID** | String | yes | Required identifier of authorization | | **onSuccess** | Function() | yes | - | Function to be executed when the operation is completed successfully | | **onError** | Function([SyneriseError](/developers/mobile-sdk/class-reference/flutter/miscellaneous#syneriseerror) error) | yes | - | Function to be executed when the operation is completed with an error |

**authID** parameter is used for decreasing the number of UUID refreshes, so it must be unique for every customer.

**Return Value:** No value is returned. **Example:**

ClientSimpleAuthenticationData data =
        ClientSimpleAuthenticationData(firstName: firstName, lastName: lastName, email: email, customId: customID);
    await Synerise.client.simpleAuthentication(data, authID, onSuccess: () {
      //onSuccess handling
    }, onError: (SyneriseError error) {
      //onError handling
    });

**Declaration:**

Future<void> simpleAuthentication(ClientSimpleAuthenticationData clientSimpleAuthenticationData, String authID) async

**Parameters:** | Parameter | Type | Mandatory | Default | Description | | --- | --- | --- | --- | --- | | **data** | [ClientSimpleAuthenticationData](/developers/mobile-sdk/class-reference/flutter/client#clientsimpleauthenticationdata) | yes | - | Object which contains customer data | | **authID** | String | yes | null | Required identifier of authorization |

**authID** parameter is used for decreasing the number of UUID refreshes, so it must be unique for every customer.

**Return Value:** No value is returned.

## Check if a customer is signed in (via RaaS, OAuth, Facebook, Apple) --- This method checks if a customer is signed in (via Synerise Authentication - RaaS, OAuth, Facebook, Apple). **Declared In:** lib/modules/client/client_impl.dart **Class:** [ClientImpl](/developers/mobile-sdk/class-reference/flutter/modules#client) **Declaration:**

Future<bool> isSignedIn() async

**Return Value:** **true** if the customer is signed in, otherwise returns **false**. **Example:**

bool isSignedInBool = await Synerise.client.isSignedIn();

## Check if a customer is signed in (via Simple Profile Authentication) --- This method checks if a customer is signed in (via Simple Profile Authentication). | | **iOS SDK** | **Android SDK** | **React Native SDK** | **Flutter SDK** | | --- | --- | --- | --- | --- | | Introduced in: | 4.14.0 | 5.7.1 | 0.15.0 | 0.7.0 | **Declared In:** lib/modules/client/client_impl.dart **Class:** [Client](/developers/mobile-sdk/class-reference/flutter/modules#client) **Declaration:**

Future<bool> isSignedInViaSimpleAuthentication() async

**Return Value:** **true** if the customer is signed in (via Simple Profile Authentication), otherwise returns **false**. **Example:**

await Synerise.client
        .isSignedInViaSimpleAuthentication()
        .then((bool result) {
      if (result == true) {
        //result handling
      } else {
        //error handling
      }
    });

## Sign out a customer --- This method signs out a customer out.

This method works with every authentication type (via Synerise, External Provider, OAuth or Simple Profile Authentication).

**Declared In:** lib/modules/client/client_impl.dart **Class:** [ClientImpl](/developers/mobile-sdk/class-reference/flutter/modules#client) **Declaration:**

Future<void> signOut() async

**Return Value:** No value is returned. **Example:**

```Dart Synerise.client.signOut().whenComplete(() => { //onSuccess handling }); ```

## Sign out customer with mode or from all devices --- This method signs out a customer out with a chosen mode and Determines if the method should sign out all devices. Available modes: - `.signOut` mode signs out the customer. - `.signOutWithSessionDestroy` mode signs out the customer and additionally, clears the anonymous session and regenerates the customer UUID. The `fromAllDevices` parameter determines whether the method should notify the backend to sign out all devices. **IMPORTANT: It is an asynchronous method.** | | **iOS SDK** | **Android SDK** | **React Native SDK** | **Flutter SDK** | | --- | --- | --- | --- | --- | | Introduced in: | 4.11.0 | 5.1.0 | 0.14.0 | 1.0.0 |

This method works with every authentication type (via Synerise, External Provider, OAuth or Simple Profile Authentication).

**Declared In:** lib/modules/client/client_impl.dart **Class:** [ClientImpl](/developers/mobile-sdk/class-reference/flutter/modules#client)

**Declaration:**

Future<void> signOutWithMode(ClientSignOutMode mode, bool fromAllDevices, {required void Function() onSuccess, required void Function(SyneriseError) onError}) async

**Parameters:** | Parameter | Type | Mandatory | Description | | --- | --- | --- | --- | | **mode** | [ClientSignOutMode](/developers/mobile-sdk/class-reference/flutter/client#clientsignoutmode) | yes | Mode of signing out | | **fromAllDevices** | bool | yes | Determines if the method should sign out all devices | | **onSuccess** | Function() | yes | - | Function to be executed when the operation is completed successfully | | **onError** | Function([SyneriseError](/developers/mobile-sdk/class-reference/flutter/miscellaneous#syneriseerror) error) | yes | - | Function to be executed when the operation is completed with an error | **Return Value:** No value is returned. **Example:**

ClientSignOutMode mode = ClientSignOutMode.signOutWithSessionDestroy;
    bool fromAllDevices = true;
    await Synerise.client.signOutWithMode(mode, fromAllDevices, onSuccess: () {
      //onSuccess handling
    }, onError: (SyneriseError error) {
      //onError handling
    });

**Declaration:**

Future<void> signOutWithMode(ClientSignOutMode mode, bool fromAllDevices) async

ClientSignOutMode mode = ClientSignOutMode.signOutWithSessionDestroy;
    bool fromAllDevices = true;
    await Synerise.client.signOutWithMode(mode, fromAllDevices).catchError((error) {