# Introduction

## SmsSenderIdentity model

## Example

```json
{
  "id": 280,
  "type": "alphanumeric",
  "value": "Infinity",
  "created_at": "2022-02-21T10:39:49.155+01:00",
  "updated_at": "2022-02-21T10:40:27.208+01:00"
}
```

## Definition

| Key        | Type                                      | Description                                                                                                     |
|------------|-------------------------------------------|-----------------------------------------------------------------------------------------------------------------|
| id         | integer                                   | (readonly)                                                                                                      |
| type       | enum: `['alphanumeric', 'international']` | See: [identity types](doc-341744#identity-types)                                                               |
| value      | string                                    | See: [identity types](doc-341744#identity-types)                                                               |
| default    | boolean                                   | (readonly) Is default? I.e. is it assigned as default LC sender identity. Default identities cannot be deleted. |
| created_at | datetime                                  | (readonly) Time of creation                                                                                     |
| updated_at | datetime                                  | (readonly) Time of last update                                                                                  |

## Identity types

| Type            | Value Type | Example      | Description                                                |
|-----------------|------------|--------------|------------------------------------------------------------|
| `alphanumeric`  | integer    | `INFINITY`   | String consisting of 2-11 characters                       |
| `international` | string     | `4740769126` | MSISDN. Must be preconfigured as enabled for the customer. |