"SCAR stands for "Scripting at Relic". Our script files utilize the Lua language which is an open source programming language. Lua has been used at Relic for several generations of games because of its versatile nature and fast implementation time."
... Anyway, if your interested in a working on a Necromunda mod - hit me up for some discussion! Heres a link to the developer wiki
Time to dig into some docs...