Managing blueprints with the blueprint designer When you work with blueprints, you can use a graphical editor or a source-code editor. Creating filesYou can create projects, blueprints, configuration files, folders, and many other type of the files in the blueprint designer.Editing Heat blueprints with the blueprint designerWhen you work with blueprints, you can use a graphical editor or a source-code editor.Editing Terraform blueprints with the blueprint designerWhen you work with blueprints, you can use a graphical editor or a source-code editor.Editing configuration filesConfiguration files are lists of properties and values. You can use configuration files to provision the same blueprint on multiple cloud systems.Converting TOSCA files to blueprints for the blueprint designerYou can convert Topology and Orchestration Specification for Cloud Applications (TOSCA) files to the HOT format and import them into the blueprint designer.Creating composite blueprintsYou can create a composite blueprint by importing the contents of a saved blueprint into your active blueprint.Modifying blueprints to access the Chef validator key in version 6.2.1 and laterIf you upgrade your blueprint design server to version 6.2.1 or later, you might need to modify references to the Chef validator key before you provision environments from existing blueprints. Parent topic: Modeling environments for clouds through OpenStack Heat