T:flagset( flag [, value] )

Arguments:

flag - string value.

value - boolean value. Optional argument, true by default. Designates whether the flag is to be set or unset.

Return value: none

Set or unset the given flag on the lua object.

Example:

mob:setact("safe")
mob:say("I'm safe now.")
mob:setact("safe",false)
mob:say("Now I'm not safe.")