The OpenText Cloud Developer Tools - Metadata Modelers extension is part of the OpenText Cloud Developer Tools VS Code extension pack. It provides the Metadata modeling capabilities, allowing to create, maintain, validate and deploy Metadata application configuration artifacts (aka models).
Once installed...
... you will be able to create and edit Metadata models with the different installed Metadata modelers:
Trait modeler: Provides a custom editor for .ottrait files (JSON format), representing a Trait definition.
Type modeler: Provides a custom editor for .ottype files (JSON format) representing a Type definition.
... you will have the ability to create and explore Metadata models from the Models section in the OpenText Cloud Developer Tools View
... the VS Code Palette offers an additional set of OpenText commands:
New Trait: create a new Trait model
New Type: create a new Type model
... please refer to the User Guide and Tutorial in the Help and Feedback section of the OpenText Cloud Developer Tools View for more details on how to use the OpenText Cloud Developer Tools for VS Code.