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# AWS::SageMaker::NotebookInstanceLifecycleConfig NotebookInstanceLifecycleHook
<a name="aws-properties-sagemaker-notebookinstancelifecycleconfig-notebookinstancelifecyclehook"></a>

Specifies the notebook instance lifecycle configuration script. Each lifecycle configuration script has a limit of 16384 characters.

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

### JSON
<a name="aws-properties-sagemaker-notebookinstancelifecycleconfig-notebookinstancelifecyclehook-syntax.json"></a>

```
{
  "[Content](#cfn-sagemaker-notebookinstancelifecycleconfig-notebookinstancelifecyclehook-content)" : String
}
```

### YAML
<a name="aws-properties-sagemaker-notebookinstancelifecycleconfig-notebookinstancelifecyclehook-syntax.yaml"></a>

```
  [Content](#cfn-sagemaker-notebookinstancelifecycleconfig-notebookinstancelifecyclehook-content): String
```

## Properties
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`Content`  <a name="cfn-sagemaker-notebookinstancelifecycleconfig-notebookinstancelifecyclehook-content"></a>
A base64-encoded string that contains a shell script for a notebook instance lifecycle configuration.  
*Required*: No  
*Type*: String  
*Pattern*: `[\S\s]+`  
*Minimum*: `1`  
*Maximum*: `16384`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)