Function.cs - class file containing a class with a single function handler method aws-lambda-tools-defaults.json - default argument settings for use with Visual Studio and command line deployment ...
This is a UUID (A.K.A. GUID) generator that generates standard UUIDs (i.e. f19b32ec-cfaf-32ee-35b9-37435f4bef3f) and stores the new UUID in the UUID environmental variable (i.e. %UUID% or !UUID!), ...