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# HttpsCallableStreamOptions interface
An interface for metadata about how a stream call should be executed.

<b>Signature:</b>

```typescript
export interface HttpsCallableStreamOptions 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [limitedUseAppCheckTokens](./functions.httpscallablestreamoptions.md#httpscallablestreamoptionslimiteduseappchecktokens) | boolean | If set to true, uses a limited-use App Check token for callable function requests from this instance of [Functions](./functions.functions.md#functions_interface)<!-- -->. You must use limited-use tokens to call functions with replay protection enabled. By default, this is false. |
|  [signal](./functions.httpscallablestreamoptions.md#httpscallablestreamoptionssignal) | AbortSignal | An <code>AbortSignal</code> that can be used to cancel the streaming response. When the signal is aborted, the underlying HTTP connection will be terminated. |

## HttpsCallableStreamOptions.limitedUseAppCheckTokens

If set to true, uses a limited-use App Check token for callable function requests from this instance of [Functions](./functions.functions.md#functions_interface)<!-- -->. You must use limited-use tokens to call functions with replay protection enabled. By default, this is false.

<b>Signature:</b>

```typescript
limitedUseAppCheckTokens?: boolean;
```

## HttpsCallableStreamOptions.signal

An `AbortSignal` that can be used to cancel the streaming response. When the signal is aborted, the underlying HTTP connection will be terminated.

<b>Signature:</b>

```typescript
signal?: AbortSignal;
```