This describes a custom event that can be authored with the button response type of type "option". When clicked, this event will fire and provide information authored in the custom event.
The event type that triggered the custom event.
The full message response that contained the button item that triggered this custom event.
The button item that triggered this custom event.
The type of this event.
This describes a custom event that can be authored with the button response type of type "option". When clicked, this event will fire and provide information authored in the custom event.