Retrieves information about a core definition version.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/greengrass/get-core-definition.html
| aws greengrass get-core-definition \ |
| GetCoreDefinition - AWS Greengrass : http://docs.aws.amazon.com/greengrass/latest/apireference/-greengrass-definition-cores-coredefinitionid.html |