# `Twilio.Api.V2010.IncomingPhoneNumber.AssignedAddOn.AssignedAddOnExtensionService`
[🔗](https://github.com/jeffhuen/twilio_elixir/blob/main/lib/twilio/api/v2010/incoming_phone_number/assigned_add_on/assigned_add_on_extension_service.ex#L2)

Service for AssignedAddOnExtension API operations.

Operations: `list`, `fetch`

# `fetch`

```elixir
@spec fetch(Twilio.Client.t(), String.t(), String.t(), String.t(), keyword()) ::
  {:ok,
   Twilio.Resources.Api.V2010.IncomingPhoneNumber.AssignedAddOn.AssignedAddOnExtension.t()}
  | {:ok, map(), map()}
  | :ok
  | {:error, Twilio.Error.t()}
```

Fetch an instance of an Extension for the Assigned Add-on.

Operation: `FetchIncomingPhoneNumberAssignedAddOnExtension` | Tags: Api20100401AssignedAddOnExtension

# `list`

```elixir
@spec list(Twilio.Client.t(), String.t(), String.t(), map(), keyword()) ::
  {:ok, Twilio.Page.t()}
  | {:ok, map(), map()}
  | :ok
  | {:error, Twilio.Error.t()}
```

Retrieve a list of Extensions for the Assigned Add-on.

Operation: `ListIncomingPhoneNumberAssignedAddOnExtension` | Tags: Api20100401AssignedAddOnExtension

# `stream`

```elixir
@spec stream(Twilio.Client.t(), String.t(), String.t(), map(), keyword()) ::
  Enumerable.t()
```

Stream: Retrieve a list of Extensions for the Assigned Add-on. (lazy auto-pagination).

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*Consult [api-reference.md](api-reference.md) for complete listing*