When feedback is enabled, assistant messages can be marked:
HelpfulNot helpful
After a visitor selects one option, the selected button is highlighted and the opposite option is disabled.
Feedback submissions are also recorded as usage analytics events when analytics are enabled.
Helpful answers can be saved into learning memory when from_liked_answers is enabled.
'learning' => [
'from_liked_answers' => true,
],'features' => [
'feedback' => false,
],