Description of instance launch template version 1. It can be 2, 256 characters in length. It cannot start with "http://" or "https://". The default value is null.
It has been deprecated from version 1.120.0, and use field launch_template_name instead.
launch_template_name
The primary private IP address of the ENI.
The security group ID.
When creating a VPC-Connected instance, you must specify its VSwitch ID.