# Notification Event

This is the general callback used to send notifications. It's a POST request to the specified calling callback URL.

If there is no response to the callback within the timeout period, the notification is discarded.

Endpoint: POST notify
Version: 1.0.1
Security: Basic, Signed

## Request fields (application/json):

  - `event` (string, required)
    Must have the value notify.
    Enum: "notify", "ice", "ace", "dice", "pie"

  - `callid` (string)
    Used in some types of events, it presents the unique ID assigned to this call.

  - `conferenceId` (string)
    Used in some types of events, it presents the unique Conference ID assigned to this call.

  - `version` (integer)
    The current API version.

  - `type` (string)
    The type of information communicated in the notification.

  - `destination` (string)
    Used in some types of events, it presents the destination of the generated recording or transcription files.

  - `amd` (object)
    If [Answering Machine Detection](https://developers.sinch.com/docs/voice/api-reference/amd_v2) (AMD) is enabled, this object contains information about whether the call was answered by a machine.

  - `amd.status` (string)
    The determination by the system of who answered the call.
    Enum: "machine", "human", "notsure", "hangup"

  - `amd.reason` (string)
    The reason that the system used to determine who answered the call.
    Enum: "longgreeting", "initialsilence", "beep", "n/a"

  - `amd.duration` (integer)
    The length of the call.
    Example: 3

  - `custom` (string)
    An optional parameter containing notification-specific information.


## Response 200 fields