> **Experimental**
>
> `@aws-cdk/aws-medialive-alpha` is an [**experimental**](/stability) (alpha) package: its API may change in any release, without a major version bump.
# SrtCallerUrlOptions

Options for a URL-based SRT caller destination (`SrtDestination.callerUrl`).

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`lib/destinations.ts`](https://github.com/aws/aws-cdk/blob/v2.274.0-alpha.0/packages/@aws-cdk/aws-medialive-alpha/lib/destinations.ts#L199)

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import * as medialive_alpha from '@aws-cdk/aws-medialive-alpha';
import { aws_secretsmanager as secretsmanager } from 'aws-cdk-lib';

declare const secret: secretsmanager.Secret;
const srtCallerUrlOptions: medialive_alpha.SrtCallerUrlOptions = {
  encryptionPassphraseSecret: secret,

  // the properties below are optional
  streamId: 'streamId',
};
```

## Properties

- `encryptionPassphraseSecret`: [ISecret](/cdk/api/v2/docs/aws-cdk-lib.aws_secretsmanager.ISecret.html) (required) — The Secrets Manager secret containing the encryption passphrase.

  [disable-awslint:prefer-ref-interface]

- `streamId`: string — The stream ID for the SRT connection.

  **Default:** no stream ID