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# AWS::BedrockAgentCore::GatewayTarget StickinessConfiguration
<a name="aws-properties-bedrockagentcore-gatewaytarget-stickinessconfiguration"></a>

The configuration for session-sticky routing to a target. Session stickiness routes requests that share a session identifier to the same target.

## Syntax
<a name="aws-properties-bedrockagentcore-gatewaytarget-stickinessconfiguration-syntax"></a>

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

### JSON
<a name="aws-properties-bedrockagentcore-gatewaytarget-stickinessconfiguration-syntax.json"></a>

```
{
  "[Identifier](#cfn-bedrockagentcore-gatewaytarget-stickinessconfiguration-identifier)" : {{String}},
  "[Timeout](#cfn-bedrockagentcore-gatewaytarget-stickinessconfiguration-timeout)" : {{Integer}}
}
```

### YAML
<a name="aws-properties-bedrockagentcore-gatewaytarget-stickinessconfiguration-syntax.yaml"></a>

```
  [Identifier](#cfn-bedrockagentcore-gatewaytarget-stickinessconfiguration-identifier): {{String}}
  [Timeout](#cfn-bedrockagentcore-gatewaytarget-stickinessconfiguration-timeout): {{Integer}}
```

## Properties
<a name="aws-properties-bedrockagentcore-gatewaytarget-stickinessconfiguration-properties"></a>

`Identifier`  <a name="cfn-bedrockagentcore-gatewaytarget-stickinessconfiguration-identifier"></a>
The expression that identifies where to extract the session identifier from the request (for example, `$context.header.x-session-id`).  
*Required*: Yes  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `256`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Timeout`  <a name="cfn-bedrockagentcore-gatewaytarget-stickinessconfiguration-timeout"></a>
The session stickiness timeout, in seconds. After this duration of inactivity, the session affinity expires. Valid values range from 1 to 86400.  
*Required*: No  
*Type*: Integer  
*Minimum*: `1`  
*Maximum*: `86400`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)