Prisma
WebStorm integrates with Prisma ORM providing support for Prisma Schema Language grammar.
Prisma ORM support in WebStorm is backed by the Prisma Language Server. WebStorm is shipped with a bundled Prisma Language Server. However, it is recommended that you keep the Language Server up to date by downloading the latest server version and specifying the path to it on the page as described in Configure the Prisma Language Server.
Before you start
Make sure you have Node.js on your computer. Configure a Node.js interpreter in your project as described in Configuring a local Node.js interpreter, in Using Node.js on Windows Subsystem for Linux, or in Configuring remote Node.js interpreters.
Find detailed information about the required Node.js versions on the Prisma ORM official website.
Install and enable the Prisma ORM plugin on the Settings | Plugins page, tab Marketplace, as described in Installing plugins from JetBrains Marketplace.
Configure the Prisma Language Server
Prisma ORM support in WebStorm is backed by the Prisma Language Server. WebStorm is shipped with a bundled Prisma Language Server. However, it is recommended that you keep the Language Server up to date
Install the latest version of the @prisma/language-server globally. To do that, open the embedded Terminal (Alt+F12) and type:
npm install -g @prisma/language-serverOpen the Settings dialog (Ctrl+Alt+S) and go to .
In the Language Server package field, specify the path to the
@prisma/language-serverpackage.
Make sure the Enabled option is selected.
Select the Disabled option to turn off the Prisma Language Server and use only internal WebStorm coding assistance and inspections.
Code completion
WebStorm provides Prisma Schema Language-aware code completion in schema files including documentation for selected completion suggestions.
By default, completion suggestions are shown as you type. To turn this behavior off, press Ctrl+Alt+S to open settings and select Settings | Editor | General | Code Completion, then clear the Show suggestions as you type checkbox.
To invoke completion manually, press Ctrl+Space.
Documentation look-up
The Documentation popup is displayed when you hover over a symbol in the editor or press Ctrl+Q as well as on code completion.
To view documentation for a symbol in the Structure tool window, select the symbol and press Ctrl+Q.
Learn more from Code reference information.
Comments
You can add comments above, below, and inside data models. Multiline comments are welcome.
To add a comment, start typing /** and press Enter. WebStorm adds the closing */ and * at the beginning of each line.
Hovering over a symbol shows the comment in the Documentation popup with proper formatting.
Alternatively, examine comments in the Rendered View mode. For that, click 
in the gutter next to a comment or press Ctrl+Alt+Q.
To view the comment in the Documentation tool window, hover over a symbol, click 
in the Documentation popup, and then select Open in Documentation Tool Window.
Structure view
With WebStorm, you can view and navigate the structure of schema files in the Structure tool window (Alt+7). The tool window is synchronized with the currently open Prisma Schema, so when you select an item in the tool window, it is automatically selected in the schema file.