Post: #4

about the function, i found some explain from the author:
//
// This function can be used to force a character to cast a specific
// spell. Works on both players and NPCs. Two arguments can be given:
//
// "NpcCast <spell>, <target>"
// spell --> spell id to cast
// target --> target (optional, default: previous action's target)
// - can be a uid or map location
//

about the "act","<..>" an effect..
can get the information from "spherewiki" :
"http://wiki.sphere.torfo.org/index.php/Main_Page", there are some Tutorials and Reference Compendium.
for exampe the EFFECT, : "http://wiki.sphere.torfo.org/index.php/EFFECT"