Use the POST_EVENT statement to signal a named
event to the user application.
A PSQL expression
evaluating to a string value
POST_EVENT posts an event to the event manager.
When an event occurs, this statement will notify the event manager,
which alerts applications waiting for the named event.
The event name can be a maximum of 78 characters
The below example shows a valid use of the
See the C/C++ Programming Manual for more
information on handling events received by your application.