Originally written by Carl Foust
Modified and re-compiled for Source SDK 2013 and Steampipe by tuxxi
You can download the latest version here
- Extract the contents of this archive into the bin folder of the game you wish to use propper for.
- Run hammer, go to tools -> options
- Find the section called "game data files" and click the "add" button, then select propper.fgd
For a full use guide, read: https://developer.valvesoftware.com/wiki/Propper