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

Credentials for push notifications channels

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

# `create`

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

Operation: `CreateCredential` | Tags: ChatV1Credential

## Required Parameters

| Parameter | Type | Description |
|-----------|------|-------------|
| `Type` | string |  Values: `gcm`, `apn`, `fcm` |
## Optional Parameters

| Parameter | Type | Description |
|-----------|------|-------------|
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `ApiKey` | string | [GCM only] The API key for the project that was obtained from the Google Developer console for your GCM Service application credential. |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `Certificate` | string | [APN only] The URL encoded representation of the certificate. For example,  `-----BEGIN CERTIFICATE----- MIIFnTCCBIWgAwIBAgIIAjy9H849+E8wDQYJKoZIhvcNAQEFBQAwgZYxCzAJBgNV.....A== -----END CERTIFICATE-----` |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `FriendlyName` | string | A descriptive string that you create to describe the new resource. It can be up to 64 characters long. |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `PrivateKey` | string | [APN only] The URL encoded representation of the private key. For example, `-----BEGIN RSA PRIVATE KEY----- MIIEpQIBAAKCAQEAuyf/lNrH9ck8DmNyo3fGgvCI1l9s+cmBY3WIz+cUDqmxiieR. -----END RSA PRIVATE KEY-----` |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `Sandbox` | boolean | [APN only] Whether to send the credential to sandbox APNs. Can be `true` to send to sandbox APNs or `false` to send to production. |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `Secret` | string | [FCM only] The **Server key** of your project from the Firebase console, found under Settings / Cloud messaging. |

# `delete`

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

Operation: `DeleteCredential` | Tags: ChatV1Credential

# `fetch`

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

Operation: `FetchCredential` | Tags: ChatV1Credential

# `list`

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

Operation: `ListCredential` | Tags: ChatV1Credential

# `stream`

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

Stream:  (lazy auto-pagination).

# `update`

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

Operation: `UpdateCredential` | Tags: ChatV1Credential

## Optional Parameters

| Parameter | Type | Description |
|-----------|------|-------------|
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `ApiKey` | string | [GCM only] The API key for the project that was obtained from the Google Developer console for your GCM Service application credential. |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `Certificate` | string | [APN only] The URL encoded representation of the certificate. For example,  `-----BEGIN CERTIFICATE----- MIIFnTCCBIWgAwIBAgIIAjy9H849+E8wDQYJKoZIhvcNAQEFBQAwgZYxCzAJBgNV.....A== -----END CERTIFICATE-----` |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `FriendlyName` | string | A descriptive string that you create to describe the resource. It can be up to 64 characters long. |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `PrivateKey` | string | [APN only] The URL encoded representation of the private key. For example, `-----BEGIN RSA PRIVATE KEY----- MIIEpQIBAAKCAQEAuyf/lNrH9ck8DmNyo3fGgvCI1l9s+cmBY3WIz+cUDqmxiieR. -----END RSA PRIVATE KEY-----` |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `Sandbox` | boolean | [APN only] Whether to send the credential to sandbox APNs. Can be `true` to send to sandbox APNs or `false` to send to production. |
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `Secret` | string | [FCM only] The **Server key** of your project from the Firebase console, found under Settings / Cloud messaging. |

---

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