Commands available are:
CountSandInArea
CreateSand
CreateSandInArea
CreateSandInAreaRand
CreateSandInRoundArea
DestroySandFromList
DestroySandInArea
GetMapSandCount
GetOverSand
GetSand
GetSandDef
GetSandDefData
GetSandInArea
IsSandEmpty
SetSandColor
TerpLocation