# Availability

Defines an appointment slot that encapsulates the appointment segments, location and starting time available for booking.

## Structure

`Availability`

## Fields

| Name | Type | Tags | Description | Getter | Setter |
|  --- | --- | --- | --- | --- | --- |
| `startAt` | `?string` | Optional | The RFC 3339 timestamp specifying the beginning time of the slot available for booking. | getStartAt(): ?string | setStartAt(?string startAt): void |
| `locationId` | `?string` | Optional | The ID of the location available for booking.<br>**Constraints**: *Maximum Length*: `32` | getLocationId(): ?string | setLocationId(?string locationId): void |
| `appointmentSegments` | [`?(AppointmentSegment[])`](../../doc/models/appointment-segment.md) | Optional | The list of appointment segments available for booking | getAppointmentSegments(): ?array | setAppointmentSegments(?array appointmentSegments): void |

## Example (as JSON)

```json
{
  "start_at": null,
  "appointment_segments": null
}
```