Any prog/script runs inside a script environment. See script environemnts for more details. This means that even "global" variables or functions declared in a script are only global to its environment.

The 'shared' table is a table that is common to all environments associated with game objects in a certain area. This means that each mob/room/object in a given area will point to the same 'shared' table in scripts (as well as the area itself).

Using the 'shared' table is as simple as using a typical lua table:

<code>
​shared.message="Hello world!"