InterSystems ObjectScript language support for Visual Studio Code
Install Visual Studio Code first. Open VSCode. Go to extensions and search for "ObjectScript" like it is shown on the attached screenshot and install it. Or install from ObjectScript extension page on Visual Studio Marketplace
To be able to use many plugin features, you need to configure the connection to Caché server first.
For Caché/IRIS instance with maximum security level, add '%Development' role for '/api/atelier/' web-application ( More )