AWS SDK for .NET Documentation
ImageId Property
AmazonAmazon.AutoScaling.ModelCreateLaunchConfigurationRequestImageId Did this page help you?   Yes   No    Tell us about it...
Unique ID of the Amazon Machine Image (AMI) you want to use to launch your EC2 instances. For information about finding Amazon EC2 AMIs, see Finding a Suitable AMI in the Amazon Elastic Compute Cloud User Guide.

Constraints:

Length
1 - 255
Pattern
[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*

Declaration Syntax
C#
public string ImageId { get; set; }

Assembly: AWSSDK (Module: AWSSDK) Version: 1.5.60.0 (1.5.60.0)