Could someone help me out with an explanation of how to
create a custom handler or function in lingo. I can't seem to grasp
how that's done. Ideally I'd like to call a database function which
would be defined in a global script. The call would be invoked from
a frame script or an object's script. I'd like to be able to pass
sql commands to the function from the frame or object script and
get the results of the query in a list variable which I can then
deal with in the particular frame script I'm working on.