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# CMIOExtensionProviderSource

A protocol for objects that act as provider sources.

```
protocol CMIOExtensionProviderSource : NSObjectProtocol
```

## Overview

Create a class that adopts this protocol to configure provider properties and manage its client connections.

## Topics

### Managing Connections

[`connect(to:)`](/documentation/CoreMediaIO/CMIOExtensionProviderSource/connect(to:))

Connects a client to a source’s provider.

[`disconnect(from:)`](/documentation/CoreMediaIO/CMIOExtensionProviderSource/disconnect(from:))

Disconnects a client from a source’s provider.

### Configuring Properties

[`availableProperties`](/documentation/CoreMediaIO/CMIOExtensionProviderSource/availableProperties)

A set of available properties for a provider.

[`providerProperties(forProperties:)`](/documentation/CoreMediaIO/CMIOExtensionProviderSource/providerProperties(forProperties:))

Gets the state of provider properties.

[`setProviderProperties(_:)`](/documentation/CoreMediaIO/CMIOExtensionProviderSource/setProviderProperties(_:))

Set the state of provider properties.


---

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