public UpdateNotebookInstanceLifecycleConfigRequest withOnStart(java.util.Collection<NotebookInstanceLifecycleHook> onStart) {
        setOnStart(onStart);
        return this;
    }
<p>
The shell script that runs every time you start a notebook instance, including when you create the notebook
instance. The shell script must be a base64-encoded string.
</p>

@param onStart
       The shell script that runs every time you start a notebook instance, including when you create the
       notebook instance. The shell script must be a base64-encoded string.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/UpdateNotebookInstanceLifecycleConfigRequest.java