I went through some difficulty in getting started with the HSPI template due to some settings so I put together the first of a series of videos I will make on getting started with HS3 plugins based on HSPI.

Here is the first video and the steps to have a complete working environment.

Video Series - How to Write Your Own HS3 3 Plugin Using HSPI - For Beginners - Video 1

Step 1 - Download and Install Visual Studio 2017 (Choose Options) - https://visualstudio.microsoft.com/

Step 2 - Download and Install .Net 4.7.2 Developer Pack - https://www.microsoft.com/net/download/visual-studio-sdks

Step 3 - Run PowerShell as Administrator and execute command ("Set-ExecutionPolicy unrestricted" and choose "A" for All)

Step 4 - Run Visual Studio 2017

Step 5 - In Visual Studio 2017 go to Tools --> Options --> Projects and Solutions --> (Check) Save new projects when created (it is not checked by default)

Step 6 - In Visual Studio 2017 go to Tools --> Extensions and Updates --> Select "Online" --> In Search Box type "HomeSeer" --> Install HomeSeer Templates --> Exit and Restart Visual Studio 2017

Step 7 - In Visual Studio 2017 go to File --> New Project --> Visual C# --> HomeSeer --> Choose Plugin A or B and give it a name --> Choose Framework (.Net Framework 4.7.2) in the drop-down --> Click OK

Step 8 - In Visual Studio 2017 hit F5 or the Green Arrow (Start) and now your new Plugin Template should run!