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# AWS::BedrockAgentCore::Memory MessageBasedTriggerInput
<a name="aws-properties-bedrockagentcore-memory-messagebasedtriggerinput"></a>

The message based trigger input.

## Syntax
<a name="aws-properties-bedrockagentcore-memory-messagebasedtriggerinput-syntax"></a>

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

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

```
{
  "[MessageCount](#cfn-bedrockagentcore-memory-messagebasedtriggerinput-messagecount)" : Integer
}
```

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

```
  [MessageCount](#cfn-bedrockagentcore-memory-messagebasedtriggerinput-messagecount): Integer
```

## Properties
<a name="aws-properties-bedrockagentcore-memory-messagebasedtriggerinput-properties"></a>

`MessageCount`  <a name="cfn-bedrockagentcore-memory-messagebasedtriggerinput-messagecount"></a>
The memory trigger condition input for the message based trigger message count.  
*Required*: No  
*Type*: Integer  
*Minimum*: `1`  
*Maximum*: `50`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)