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# AWS::Bedrock::FlowAlias FlowAliasConcurrencyConfiguration
<a name="aws-properties-bedrock-flowalias-flowaliasconcurrencyconfiguration"></a>

Determines how multiple nodes in a flow can run in parallel. Running nodes concurrently can improve your flow's performance.

## Syntax
<a name="aws-properties-bedrock-flowalias-flowaliasconcurrencyconfiguration-syntax"></a>

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

### JSON
<a name="aws-properties-bedrock-flowalias-flowaliasconcurrencyconfiguration-syntax.json"></a>

```
{
  "[MaxConcurrency](#cfn-bedrock-flowalias-flowaliasconcurrencyconfiguration-maxconcurrency)" : Number,
  "[Type](#cfn-bedrock-flowalias-flowaliasconcurrencyconfiguration-type)" : String
}
```

### YAML
<a name="aws-properties-bedrock-flowalias-flowaliasconcurrencyconfiguration-syntax.yaml"></a>

```
  [MaxConcurrency](#cfn-bedrock-flowalias-flowaliasconcurrencyconfiguration-maxconcurrency): Number
  [Type](#cfn-bedrock-flowalias-flowaliasconcurrencyconfiguration-type): String
```

## Properties
<a name="aws-properties-bedrock-flowalias-flowaliasconcurrencyconfiguration-properties"></a>

`MaxConcurrency`  <a name="cfn-bedrock-flowalias-flowaliasconcurrencyconfiguration-maxconcurrency"></a>
The maximum number of nodes that can be executed concurrently in the flow.  
*Required*: No  
*Type*: Number  
*Minimum*: `1`  
*Maximum*: `100`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Type`  <a name="cfn-bedrock-flowalias-flowaliasconcurrencyconfiguration-type"></a>
The type of concurrency to use for parallel node execution. Specify one of the following options:  
+ `Automatic` - Amazon Bedrock determines which nodes can be executed in parallel based on the flow definition and its dependencies.
+ `Manual` - You specify which nodes can be executed in parallel.
*Required*: Yes  
*Type*: String  
*Allowed values*: `Automatic | Manual`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)