The argument to target for an intent. For V1, only one Argument is
supported.
Optional intent
intent:undefined | string
The intent to target.
Optional locale
locale:undefined | string
The locale to target. Follows IETF BCP-47 language code.
Can be used by a multi-lingual app to target a user on a specified
localized app. If not specified, it will default to en-US.
The argument to target for an intent. For V1, only one Argument is supported.