App can optionally pass a short text giving user a hint why delivery address is requested. For example, "Grubhub is asking your address for [determining the service area].", the text in [] is the custom TTS that should be populated here.
[null,null,["Last updated 2024-09-18 UTC."],[],["The core content describes the JSON structure for requesting a delivery address. The input for `actions.intent.DELIVERY_ADDRESS` is a JSON object containing `addressOptions`. This `addressOptions` object, in turn, contains a `reason` field, which is a string. This string provides context to the user about why their delivery address is being requested, with an example provided. This field is optional for the app to use.\n"]]