# Named Driver

## Fetch

To fetch the Named Drivers details, the following API can be used.

### Concrete Example

{% tabs %}
{% tab title="Swift" %}

```swift
let service = NamedDriverService()
service.fetch(then: { result in
    switch result {
    case: .success(_)
        // successfully retrieved
    case: .failure(_)
        // failure error
    }
})
```

{% endtab %}

{% tab title="Kotlin" %}

```kotlin
val service = NamedDriver()
service.fetch() { result: Result<Content?>? ->
    if (result?.value == null || result.throwable != null) {
        // failure
    } else {
        // Success
        val content = result.value
    }
})
```

{% endtab %}
{% endtabs %}

## Update

Updates the named driver's email and phone number and returns the updated named driver object

#### Parameters:

* `userId`: User id of a named driver retrieved from `fetch` api
* `email`: Email to be updated
* `phone`: Phone number to be updated

To update the named driver's details, first host app needs to retrieve the user Id provided when the `fetch` API call is made and need to provide the retrieved user id as an argument to `updateNamedDriver` API

### Concrete Example

To update the Named Drivers details, the following API can be used.

{% tabs %}
{% tab title="Swift" %}

```swift
let service = NamedDriverService()
service.updateNamedDriver(userId: Int,
                          email: String,
                          phone: String,
                          then: { result in
    switch result {
    case: .success(_)
        // successfully updated
    case: .failure(_)
        // failure error
    }
})
```

{% endtab %}

{% tab title="Kotlin" %}

```kotlin
val service = NamedDriver()
service.updateNamedDriver(userId: Int,
                          email: String,
                          phone: String,) 
                          { result: Result<Content?>? ->
    if (result?.value == null || result.throwable != null) {
        // failure
    } else {
        // Success
        val content = result.value
        completionHandler(content)
    }
})
```

{% endtab %}
{% endtabs %}

### Error codes

* fetch
  * 404 -> No Named Drivers Found
* updateNamedDriver
  * 409 -> Conflict email exists for another user
  * 404 -> Failed to locate named driver for primary policy holder