This is the new *CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [AWS CloudFormation User Guide](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::MediaConnect::BridgeSource BridgeFlowSource
<a name="aws-properties-mediaconnect-bridgesource-bridgeflowsource"></a>

 The source of the bridge. A flow source originates in MediaConnect as an existing cloud flow.

## Syntax
<a name="aws-properties-mediaconnect-bridgesource-bridgeflowsource-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-mediaconnect-bridgesource-bridgeflowsource-syntax.json"></a>

```
{
  "[FlowArn](#cfn-mediaconnect-bridgesource-bridgeflowsource-flowarn)" : String,
  "[FlowVpcInterfaceAttachment](#cfn-mediaconnect-bridgesource-bridgeflowsource-flowvpcinterfaceattachment)" : VpcInterfaceAttachment
}
```

### YAML
<a name="aws-properties-mediaconnect-bridgesource-bridgeflowsource-syntax.yaml"></a>

```
  [FlowArn](#cfn-mediaconnect-bridgesource-bridgeflowsource-flowarn): String
  [FlowVpcInterfaceAttachment](#cfn-mediaconnect-bridgesource-bridgeflowsource-flowvpcinterfaceattachment): 
    VpcInterfaceAttachment
```

## Properties
<a name="aws-properties-mediaconnect-bridgesource-bridgeflowsource-properties"></a>

`FlowArn`  <a name="cfn-mediaconnect-bridgesource-bridgeflowsource-flowarn"></a>
 The ARN of the cloud flow used as a source of this bridge.  
*Required*: Yes  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`FlowVpcInterfaceAttachment`  <a name="cfn-mediaconnect-bridgesource-bridgeflowsource-flowvpcinterfaceattachment"></a>
 The name of the VPC interface attachment to use for this source.  
*Required*: No  
*Type*: [VpcInterfaceAttachment](aws-properties-mediaconnect-bridgesource-vpcinterfaceattachment.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)