However, rather than coding your app there, you may want to download and install the Azure Logic Apps Tools for Visual Studio from Tools -> “Extensions and Updates” in your Visual Studio IDE.

Of course, that VS Code Azure Logic Apps (Consumption) extension is now out of preview, sporting more than 57,300 installations. And now it's joined in the marketplace by Azure Logic Apps (Standard), ...

Microsoft's dev team for the PowerShell extension for Visual Studio Code has updated the tool in a major revamp some two years in the making, driven by user feedback submitted via GitHub issues.