The Cfn-Linter extension for the Microsoft Visual Studio Code (hereafter referred to as vscode) editor can be a major help to anyone asked to write AWS ClouidFormation Templates. Using a linter may be new to some. Linters are like Grammarly for your code. A good linter will alert you to mistakes before you attempt to compile or otherwise execute your code. Cfn-lint is like Grammarly for CloudFormation. This blog posts describes that install process.