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Parameter Vocabularies

The keys you include in your global vocabulary file to describe app-specific terms.

Overview

The ParameterVocabularies key contains the custom terminology that is global to all users of your app. This key contains an array of dictionaries, each of which defines a set of terms and the intent properties to which those terms apply. The keys for the dictionary are as follows:

ParameterNames

(Required) An array of strings, each of which contains a key path for a property name from an intent class. For example, to specify a custom ride option for a ride request intent, specify the key path INRequestRideIntent.rideOptionName.

ParameterVocabulary

(Required) An array of dictionaries containing the custom terms to associate with the specified properties. Each dictionary contains the following keys.

VocabularyItemIdentifier

(Required) The string that Siri assigns to the identifier property of the INSpeakableString object when it recognizes your custom vocabulary. This identifier applies to all synonyms.

VocabularyItemSynonyms

(Required) An array of dictionaries that define the phrases for Siri to recognize. Use the following keys in the dictionary to specify the phrase, pronunciation hints, and examples:

VocabularyItemPhrase

(Required) A string containing the custom phrase that you want to define. Spell the phrase the same way that your app uses it.

VocabularyItemPronunciation

(Optional) A string containing pronunciation hints for the phrase, formatted in a “sounds like” format. For example, the pronunciation for the phrase “iTunes” might be “eye toons”.

VocabularyItemExamples

(Optional) An array of strings, each of which contains examples of how to use the phrase.

Xcode helps you add terms to your vocabulary file. When you create a property list file with the name AppIntentVocabulary.plist, Xcode knows that the file should contain custom vocabulary, and it makes only the relevant keys available in the property list editor. The figure below shows an example of a global vocabulary file in Xcode that contains custom terms for a workout app.

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See Also

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