Apple Newton Utilities User's Guide download pdf (Page 662)

100

101

CHAPTER 18

Intelligent Assistant

18-16 Using the Assistant

5. Deﬁne the words or phrases this template is to match as an array of strings in its

lexicon slot. If you place the name of a system-supplied template in your

template’s

isa slot, your template inherits its lexicon from the system-supplied

template. You should be aware, however that

isa slot values other than the

symbols

'dyna_user_action and 'dyna_user_obj may interfere

with the system’s ability to match your template successfully. For more

information, see the section “Deﬁning Your Own Frame Types to the Assistant,”

immediately following.

Sample Action Template 18

The following code fragment deﬁnes an action template called myPayAction that

might be used by a home banking application:

myPayAction := {

value: "Pay Action", // name of action

isa: 'dyna_user_action // must use this value

lexicon: ["pay", "paid"] // words to match

}

Sample Target Template 18

The following code fragment deﬁnes a target template called cbPayee that a

home banking application might use:

myPayee := {

value: "Who Object", // name of target

isa: 'dyna_user_obj // must use this value

lexicon: ["to", "Bob"] // words to match

}

Deﬁning Your Own Frame Types to the Assistant 18

The conﬂict resolution mechanism relies on the use of system-supplied dynamic

user object templates. You can deﬁne your own symbol for your template’s

isa slot as long as it ultimately refers to a template with the symbol

'dyna_user_action or 'dyna_user_obj as the value of its isa

slot. For example, you can deﬁne a

my_action template that is a

'dyna_user_action , as shown in the following code fragment:

my_action := {

value: "my action" // name of this action

isa: 'dyna_user_action, // must use this value

lexicon: ["jump", "hop"] // words to match action

}

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