# `Twilio.Chat.V1.Service.UserService`
[🔗](https://github.com/jeffhuen/twilio_elixir/blob/main/lib/twilio/chat/v1/service/user_service.ex#L2)

Unique chat users within a chat service

Operations: `list`, `create`, `fetch`, `update`, `delete`

# `create`

```elixir
@spec create(Twilio.Client.t(), String.t(), map(), keyword()) ::
  {:ok, Twilio.Resources.Chat.V1.Service.User.t()}
  | {:ok, map(), map()}
  | :ok
  | {:error, Twilio.Error.t()}
```

Operation: `CreateUser` | Tags: ChatV1User

## Required Parameters

| Parameter | Type | Description |
|-----------|------|-------------|
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `Identity` | string | The `identity` value that uniquely identifies the new resource's [User](https://www.twilio.com/docs/api/chat/rest/v1/user) within the [Service](https://www.twilio.com/docs/api/chat/rest/v1/service). This value is often a username or email address. See the Identity documentation for more details. |
## Optional Parameters

| Parameter | Type | Description |
|-----------|------|-------------|
| `Attributes` | string | A valid JSON string that contains application-specific data. |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `FriendlyName` | string | A descriptive string that you create to describe the new resource. This value is often used for display purposes. |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `RoleSid` | string | The SID of the [Role](https://www.twilio.com/docs/api/chat/rest/roles) assigned to the new User. |

# `delete`

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

Operation: `DeleteUser` | Tags: ChatV1User

# `fetch`

```elixir
@spec fetch(Twilio.Client.t(), String.t(), String.t(), keyword()) ::
  {:ok, Twilio.Resources.Chat.V1.Service.User.t()}
  | {:ok, map(), map()}
  | :ok
  | {:error, Twilio.Error.t()}
```

Operation: `FetchUser` | Tags: ChatV1User

# `list`

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

Operation: `ListUser` | Tags: ChatV1User

# `stream`

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

Stream:  (lazy auto-pagination).

# `update`

```elixir
@spec update(Twilio.Client.t(), String.t(), String.t(), map(), keyword()) ::
  {:ok, Twilio.Resources.Chat.V1.Service.User.t()}
  | {:ok, map(), map()}
  | :ok
  | {:error, Twilio.Error.t()}
```

Operation: `UpdateUser` | Tags: ChatV1User

## Optional Parameters

| Parameter | Type | Description |
|-----------|------|-------------|
| `Attributes` | string | A valid JSON string that contains application-specific data. |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `FriendlyName` | string | A descriptive string that you create to describe the resource. It is often used for display purposes. |
| `RoleSid` | string | The SID of the [Role](https://www.twilio.com/docs/api/chat/rest/roles) assigned to this user. |

---

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