Optionaldate?: stringCustom date format pattern (e.g., 'mm/dd/yyyy')
Optionaleffort?: SpeechUnderstandingEffortHow much effort to spend on this task
Optionalemail?: stringCustom email format pattern (e.g., 'username@domain.com')
Optionalphone_Custom phone number format pattern (e.g., '(xxx)xxx-xxxx')
Custom formatting configuration for speech understanding