# IMessaging.CancelNotification()

Description:

The `CancelNotification` method cancels notification of new incoming messages.

This is a synchronous method.

Syntax:

    result = so.IMessaging.CancelNotification(criteria);

Arguments:

- `criteria`:

  This is an object that specifies the request for cancelling notification of new messages. The object must contain the `Type` property (string), and this property must contain the value `"NewMessage"`:

      criteria.Type = "NewMessage";

Return value:

The `CancelNotification` method returns an object that contains an error code and an error message.

Table: Return value properties for CancelNotification
Property | Description | Value
--- | --- | ---
`result.ErrorCode` | This is a number that specifies a predefined error code. | See Service API error codes.
`result.ErrorMessage` | This is a text string that describes the error. | See Messaging Service API error messages.

Example code:

For the complete source of a sample widget that demonstrates how to use this Service API, see the full example.