Apple Newton Programmer’s Newton 2.0 (for Newton 2.0) - Manual (Page 663)

C H A P T E R 1 8
Intelligent Assistant
Using the Assistant 18-17
Based on the definition above, you can derive a my_other_action template that
holds the value 'my_action in its isa slot, as in the following example:
my_other_action := {
// name of this action
value: "my other action",
// subclass of 'dyna_user_action
isa: 'my_action,
// words matching this action
lexicon: ["leap", "lunge"]
}
You can take a similar approach to define your own target object types by placing
the
'dyna_user_obj symbol in your target template’s isa slot. For example,
you can define a template my_target that is a dyna_user_obj and use its
symbol in this slot also, as in the following code fragment:
my_target := {
value: "my target" // name of this target
isa: 'dyna_user_obj // must use this value
}
Based on the definition above, you can derive another target template from
my_target , and store the value 'my_target in its isa slot, as in the following
example:
my_other_target := {
value:"my other target",// name of this targe
isa: 'my_target, // subclass of 'dyna_user_obj
}
Implementing the PostParse Method 18
Your PostParse method implements the behavior your application provides
through the Assistant. This method resides in the PostParse slot of your
task template. It is called after all the templates in the signature slot have
been matched.
Your PostParse method must provide any behavior required to complete the
specified task, such as obtaining additional information from the ParseUtter
result frame as necessary, and handling error conditions.