CfnCoreDefinitionVersion

The `AWS::Greengrass::CoreDefinitionVersion` resource represents a core definition version for AWS IoT Greengrass . A core definition version contains a Greengrass core. > To create a core definition version, you must specify the ID of the core definition that you want to associate with the version. For information about creating a core definition, see [`AWS::Greengrass::CoreDefinition`](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-greengrass-coredefinition.html) . > > After you create a core definition version that contains the core you want to deploy, you must add it to your group version. For more information, see [`AWS::Greengrass::Group`](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-greengrass-group.html) .