# `Twilio.Resources.Preview.Wireless.Sim`
[🔗](https://github.com/jeffhuen/twilio_elixir/blob/main/lib/twilio/resources/preview/wireless/sim.ex#L2)

Sim resource.

SID prefix: `DE`

## Sub-resources
- `usage` — `/wireless/Sims/{sim_sid}/Usage`

## Properties

| Field | Description |
|-------|-------------|
| `commands_callback_url` | Format: uri |
| `date_created` | Format: date-time |
| `date_updated` | Format: date-time |
| `links` | Format: uri-map |
| `sms_fallback_method` | Values: `GET`, `POST`. Format: http-method |
| `sms_fallback_url` | Format: uri |
| `sms_method` | Values: `GET`, `POST`. Format: http-method |
| `sms_url` | Format: uri |
| `url` | Format: uri |
| `voice_fallback_method` | Values: `GET`, `POST`. Format: http-method |
| `voice_fallback_url` | Format: uri |
| `voice_method` | Values: `GET`, `POST`. Format: http-method |
| `voice_url` | Format: uri |

# `t`

```elixir
@type t() :: %Twilio.Resources.Preview.Wireless.Sim{
  account_sid: String.t() | nil,
  commands_callback_method: String.t() | nil,
  commands_callback_url: String.t() | nil,
  date_created: String.t() | nil,
  date_updated: String.t() | nil,
  e_id: String.t() | nil,
  friendly_name: String.t() | nil,
  iccid: String.t() | nil,
  links: map() | nil,
  rate_plan_sid: String.t() | nil,
  sid: String.t() | nil,
  sms_fallback_method: String.t() | nil,
  sms_fallback_url: String.t() | nil,
  sms_method: String.t() | nil,
  sms_url: String.t() | nil,
  status: String.t() | nil,
  unique_name: String.t() | nil,
  url: String.t() | nil,
  voice_fallback_method: String.t() | nil,
  voice_fallback_url: String.t() | nil,
  voice_method: String.t() | nil,
  voice_url: String.t() | nil
}
```

# `object_name`

# `sid_prefix`

---

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