user Data
Parameters
value
The user data to make available to the instance. You must provide base64-encoded text. User data is limited to 16 KB. For more information, see Run commands on your Amazon EC2 instance at launch in the Amazon EC2 User Guide. If you are creating the launch template for use with BATCH, the user data must be provided in the MIME multi-part archive format. For more information, see Amazon EC2 user data in launch templates in the User Guide.