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

Properties for a multicast input.

Requires `anywhereSettings` on the channel.

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`lib/input.ts`](https://github.com/aws/aws-cdk/blob/v2.274.0-alpha.0/packages/@aws-cdk/aws-medialive-alpha/lib/input.ts#L407)

## 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';

declare const multicastProtocol: medialive_alpha.MulticastProtocol;
const multicastInputProps: medialive_alpha.MulticastInputProps = {
  sources: [{
    address: 'address',
    port: 123,

    // the properties below are optional
    protocol: multicastProtocol,
    sourceIp: 'sourceIp',
  }],
};
```

## Properties

- `sources`: [MulticastInputSource](/cdk/api/v2/docs/@aws-cdk_aws-medialive-alpha.MulticastInputSource.html)[] (required) — The multicast sources.

  Provide two for a STANDARD (redundant-pipeline) channel.