An existing symbol name defined by the type command.
The associated description string.
This command associates a string, typically containing a syntax summary of the command, with the specified symbol. The symbol must have been defined by the type command. This command is used in a configuration file after the type command to which it corresponds. Its purpose is to provide helpful syntax information to an interactive user via the apropos command.
The following example adds a syntax summary description to the AI symbol defined in the example of the type command.
(typeDesc AI "(AI point_name address_name eng_units_max)")