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The Erlang Language Server is available in VSCode via a dedicated extension.

To try it out, simply open VSCode and install the extension via the Marketplace:

Preferences > Extensions

Look for the erlang-ls extension and install it. That's it.

Remember that the Erlang Language Server requires Erlang/OTP 21 or higher to run, so ensure that OTP 21+ is available in your PATH.

Restarting the language server

You may want to quickly restart the language server for a given workspace (e.g. after an update or in case of a server crash). To do so:

View -> Command Palette... -> Developer: Reload Window

On Mac OS you can use the Cmd+Shift+P shortcut to quickly access the command palette.