Those who have installed mods for GTA 5 may have used a tool named Script Hook V for the same at some point.

This article will guide you on how to install popular mod menus such as Chaos mod, Script Hook V, FiveM, and OpenIV in Grand Theft Auto 5 Story Mode.

Script Hook V is the library that allows to use GTA V script native functions in custom asi plugins.

And even though Script Hook V disables mod functionality while playing GTA Online, err on the side of caution: Rockstar is fine with you using mods in single player, but anything that effects GTA ...

Unfortunately, installing GTA 5 mods on PC isn't as simple as copy and pasting the downloaded files across. There are two tools you need to download first: Script Hook V and GTAV LUA Plugin.

You can see it in action with the video below from YouTube outlet GTA Series Videos. The grappling hook was scripted by JulioNIB and is used in conjunction with the Script Hook V .asi loader.

Before installing any GTA 5 mods, you'll also need to download some extra add-ons like Script Hook V. There are thousands of GTA 5 mods available to download online.