OptionalholdThe prompt that is played on repeat until the call is unparked or the until the maxDuration value is reached. You can use text-to-speech using the #tts[] element, SSML commands using the #ssml[] element.
OptionalintroThat prompt that is played when the call is first answered. You can use text-to-speech using the #tts[] element, SSML commands using the #ssml[] element.
OptionallocaleThe voice and language you want to use for the text-to-speech message. This can either be defined by the ISO 639 locale and language code or by specifying a particular voice. Supported languages and voices are detailed here.
OptionalmaxThe maximum amount of time in seconds that the holdPrompt will be played.
The name property. Must have the value park.
Parks the call and places the caller on hold. The caller is placed into a loop, listening to an IVR prompt (either a pre-recorded audio file or generated by text to speech). If the call is unparked, prompts will stop playing immediately. If the max duration is reached, the last prompt will be fully played until the call ends.