public void setUserData(String userData) {
        this.userData = userData;
    }
<p>
The user data to make available to the launched EC2 instances. Must be base64-encoded text.
</p>

@param userData
       The user data to make available to the launched EC2 instances. Must be base64-encoded text.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsAutoScalingLaunchConfigurationDetails.java