# Delegate NotificationEventHandler

Namespace
  Npgsql

Assembly
  Npgsql.dll

Represents a method that handles the Notification event.

    public delegate void NotificationEventHandler(object sender, NpgsqlNotificationEventArgs e)

#### Parameters

`sender` object

  The source of the event.

`e` NpgsqlNotificationEventArgs

  A NpgsqlNotificationEventArgs that contains the notification payload.