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# AWS::Bedrock::Flow FlowDefinition
<a name="aws-properties-bedrock-flow-flowdefinition"></a>

The definition of the nodes and connections between nodes in the flow.

## Syntax
<a name="aws-properties-bedrock-flow-flowdefinition-syntax"></a>

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

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

```
{
  "[Connections](#cfn-bedrock-flow-flowdefinition-connections)" : [ FlowConnection, ... ],
  "[Nodes](#cfn-bedrock-flow-flowdefinition-nodes)" : [ FlowNode, ... ]
}
```

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

```
  [Connections](#cfn-bedrock-flow-flowdefinition-connections): 
    - FlowConnection
  [Nodes](#cfn-bedrock-flow-flowdefinition-nodes): 
    - FlowNode
```

## Properties
<a name="aws-properties-bedrock-flow-flowdefinition-properties"></a>

`Connections`  <a name="cfn-bedrock-flow-flowdefinition-connections"></a>
An array of connection definitions in the flow.  
*Required*: No  
*Type*: Array of [FlowConnection](aws-properties-bedrock-flow-flowconnection.md)  
*Maximum*: `100`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Nodes`  <a name="cfn-bedrock-flow-flowdefinition-nodes"></a>
An array of node definitions in the flow.  
*Required*: No  
*Type*: Array of [FlowNode](aws-properties-bedrock-flow-flownode.md)  
*Maximum*: `40`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)